Forensic Files

Retracing the steps of real investigations with interviews and dramatic re-creations as experts draw on forensic science to solve baffling crimes and other mysteries.
Best Foot Forward
S15 E4

A successful businessman's role in the case of a missing young woman is exposed.

Three's a Crowd (The Susan Fassett Case)
S15 E8

A mother of two is killed leaving church-choir practice. There is little evidence at the scene, but the police uncover a scandal during their investigation.

Filtered Out (The Tara Munsey Case)
S15 E14

Forensic evidence in the case of a missing teenager illustrates the tragedy behind a decision to play hooky.

Trail of a Killer
S15 E19

A woman is found raped and killed on a public trail. An eyewitness account leads the police to the murderer.

Gone Ballistic
S15 E20

A man's shooting death appears to be robbery related, but the discovery of a mysterious greeting card changes the course of the investigation.

Skeleton Key
S15 E23

An abusive ex-boyfriend is suspected in a woman's disappearance, but a carpet stain and a set of keys lead investigators in another direction.

Funeral Services
S15 E24

The police find a murder suspect on the scene after a child calls 911 about his dead father. But when forensics clears the man, the police must rely on DNA evidence to find the real killer.

Expert Witness
S15 E25

The sexual assault and murder of a woman in her apartment is investigated. The police have no evidence to prove their prime suspect's guilt, but another woman's tragedy may help them solve the case.

DNA Dragnet
S14 E1

Two murders in a South Carolina community are investigated.

Hear No Evil
S14 E2

Evidence that includes threatening emails, a missing person and an abandoned truck lead police to a woman's suspected killer, but they don't have the victim's body.

Postal Mortem
S14 E3

On October 15, 1985, two bomb explosions rocked Salt Lake City and resulted in two deaths. A third explosion occurred the next day; this time, the victim was injured but survived. As the investigation progressed, police came to believe the survivor was more than an innocent bystander. When they turned to forensic science for help, they uncovered an almost unbelievable story of forgery, fraud, and murder. Originally aired as Season 2, Episode 11.

Family Ties
S14 E6

A couple are viciously attacked, and one person survives. She identifies the killer but later retracts her statement, so the investigators rely on DNA found on an unlikely source to solve the crime.

Freeze Framed
S14 E7

A man is found dead of an apparent suicide. But soon after, information emerges which reveals a much more menacing scenario.

A Touch of Evil
S14 E8

A dismembered body is dumped on the side of the New Jersey Turnpike and before police realize it, bodies are turning up between two states.

Needle in a Haystack
S14 E9

The murder case of a university student is the focus.

Room With a View
S14 E10

A small saliva sample serves as a vital clue to solving a cold murder case.

Dollars and Sense
S14 E11

Examining an unusual murder case in Pennsylvania involving a man found dead nearly 100 miles from his home.

Hair Line
S14 E12

A young scientist's death is probed, and evidence found in the man's hair leads investigators to his killer.

All That Glitters is Gold
S14 E13

A woman vanishes after a holiday party.

Fate Date
S14 E14

The killer removed the computer that links him to the murder of a woman and her soon-to-be ex-husband that he had met online.

Sign of the Crime
S14 E15

The investigation into two suspicious apartment fires in Seattle points to a serial killer.

Covet Thy Neighbor
S14 E16

Detailing the case of a University of Illinois science major who disappeared.

Hundreds of Reasons
S14 E18

The murder of a Florida restaurant manager in an apparent robbery gone wrong is investigated. A bloody fingerprint left at the scene leads to a suspect other than the robber.

Cold Feet
S14 E19

A Florida woman's rape and murder takes 18 years of scientific advances to solve.

Separation Anxiety
S14 E20

A murder victim's body is discovered after firefighters extinguish a blaze in a parking lot. An electric blanket and tire tracks serve as evidence.

Office Visit
S14 E21

The investigation into an Arizona surgeon's murder is the focus. The police initially believe it was a random act, but later uncover evidence that points to a wealthy suspect motivated by jealousy.

Shoe-in for Murder
S14 E22

A look at a case more than a decade old involving a Maine mother's murder. The only witness was her 12-year-old daughter.

Family Interrupted
S14 E23

A family walk in on a burglary, resulting in a double murder. The case is initially tied to a series of local thefts, but the probe reveals a different motive and killer.

Traffic Violations
S13 E1

The police target a murdered woman's husband as her killer until mobile phone records point to someone who has been close by during the investigation.

Disrobed
S13 E3

The 2003 murders of Idaho residents Alan and Diane Johnson, who where shot in their Bellevue home, are recalled. The victims' daughter, Sarah, was convicted of killing the couple in a dispute about her boyfriend.

About Face
S13 E6

The 2003 murder of North Carolina resident Scarlett Wood is recalled. The victim's skeletal remains were found months after she disappeared, but were not identified until 2006. John Wayne Boyer confessed to the murder in 2007.

In the Bag
S13 E7

The discovery of a bag aids police in solving a couple's murder.

Guarded Secrets
S13 E9

A missing security guard's body is found after 19 months, but leads run cold for 14 years until an investigator finds evidence on the victim's foot.

Frozen Assets
S13 E11

A shop owner is found dead in her store and police get an unusual break from nature.

Shoot to Thrill
S13 E13

Officials investigate the shooting death of a Minnesota father by focusing on a mysterious set of footprints in snow, presumably left by the killer.

Fashion Police
S13 E17

When detectives find a mismatched button in relation to a woman's death, they know they can follow the clue back to the killer.

Constructive Criticism
S13 E18

A construction foreman is killed and DNA evidence steers the police from an obvious suspect to an unlikely one.

Home Evasion
S13 E19

A woman dies in her husband's arms after identifying her killer, but DNA-test results and handwriting analysis point to a different murderer.

Dirty Laundry
S13 E22

When a businessman is murdered, motives and suspects are plentiful. Was it simply a disgruntled employee or client? Or do some racy photos hold the clue to the crime?

Sands of Crime
S13 E23

Running shoes and a mobile phone shed light on a cold case involving a student's abduction and murder.

Unmasked
S13 E26

The hunt is on for a serial rapist in Texas.

Seedy Intentions
S13 E29

Police hunt for the killer of a girl found dead in Washington after going missing on the Fourth of July.

Palm Saturday
S13 E43

A killer leaves equally incriminating evidence at the scene when he meticulously wipes away his fingerprint and shoe impressions.

Runaway Love
S13 E44

After a woman is found dead at a yacht club in California in an apparent case of love gone wrong, investigators discover her home life was as dramatic as films made in nearby Hollywood.

Watchful Eye
S13 E45

The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.

Waste Mis-Management
S13 E46

When evidence shows a woman's rape and murder, police must find the killer as well as the victim.

Dirty Little Secret
S13 E47

A week after a couple disappears from the beach, police get a mysterious lead from a robbery.

Lights Out
S13 E48

Fifteen years later, DNA technology leads to justice for a murdered woman and her savagely beaten 4-year-old daughter.

Pet Rock
S13 E49

A quiet waitress who hasn't been to work in two days vanishes without a trace; police suspect a date gone wrong.

A Tight Leash
S12 E2

The 2004 death of Charlene Hummert, who was strangled with a rope in her Pennsylvania home. The victim's husband, Brian David Hummert, was convicted of murder.

Wheel of Misfortune
S12 E4

The 2005 murder of Christie Wilson, who disappeared after leaving a California casino, is recalled. Mario Flavio Garcia was convicted in 2006 of killing Wilson after meeting her at the casino and spending time drinking and gambling with her.

Skirting the Evidence
S12 E5

The 1996 murder of Memphis resident Shannon Sanderson is recalled. She was abducted from her home and killed after winning money at a casino in Tunica, Tennessee. Gerald Lee Powers was convicted of the murder in 1998 and sentenced to death.

Small Town Terror
S12 E6

The case of pipe bomber James Genrich, a Colorado man who was convicted of killing two people in 1991. He was sentenced in 1993 to life in prison without parole.

Ticker Tape
S12 E8

The 2000 murder of Australian David Crawford, who was killed with an axe during a robbery. The victim's pacemaker recorded the exact time of death and led to the conviction of Ivan John Jones, a suspect who did not have an alibi for that specific time.

Blanket of Evidence
S12 E10

The body of a missing university student is found in a ravine.

Fired-Up
S12 E11

A house fire that killed a woman is investigated, and a heater appears to have started the blaze, but officials soon suspect foul play.

Two in a Million
S12 E12

The murders of Dale and Glee Ewell, and their daughter, Tiffany, in their Fresno home in 1992. The couple's son, Dana, was convicted in the case, which involved a trust fund. Joel Radovcich, a friend of Dana's, was convicted for his role in the crimes.

Bitter Brew
S12 E13

The abduction and murder of Adolph Coors III in 1960 is recalled. Coors's body was discovered seven months after his family received a ransom note from an alleged kidnapper. After a lengthy investigation, former Fulbright scholar Joseph Corbett was convicted of murdering Coors.

Smoking Out a Killer
S12 E17

When three students are brutally murdered close to campus, investigators must determine what the women had in common before their serial killer strikes again.

Quite a Spectacle
S12 E18

A woman is murdered in her home, and clues include a pair of eyeglasses and a shoeprint in a squashed tomato.

Transaction Failed
S12 E19

The investigation into a missing Texas school teacher is aided by an ATM transaction and a shoelace.

Dog Day Afternoon
S12 E30

The 2004 murder of Florida resident Cathy Lamb, who was bludgeoned to death with a tire iron in her home, is recalled. The victim's husband, Jeffrey Lamb, was convicted of the crime and given a life sentence.

Shattered Innocence
S12 E31

The 1998 murder of Texas trial lawyer Leslie Vaughn, who was shot while sleeping. The victim's son Brian was convicted of murder and given a 33-year sentence.

All "Butt" Certain
S12 E32

The 1998 murder of Ohio resident Judith Johnson is recalled. Johnson's son-in-law, Clarence Elkins, was originally convicted of the crimes, but was exonerated by DNA evidence.

Jean Pool
S12 E33

The 1984 murder of Middle Tennessee State student Laura Salmon, who was killed by numerous blows to the head. The victim's ex-boyfriend, David Kyle Gilley, was convicted of the murder after his DNA was found on a pair of men's jeans that were covering the vicitim's body.

The Gambler
S11 E4

A suspect's dog might provide a clue in an investigation of a stockbroker's death.

Shattered Dreams
S11 E7

Two bodies are found in a car that is discovered in a ditch and authorities suspect that the victims may have been killed before the crash.

Nice Threads
S11 E17

The investigation into the slaying of a Bible-school student in her Kirkland, Washington apartment is examined.

Water Hazard
S11 E21

Authorities investigating the death of a woman who worked at an Arizona insurance company discover that she died of cyanide poisoning.

Live Wire
S11 E23

The case of William Joe Jarvis, who was convicted of murdering his wife with a pipe bomb in a box resembling a Christmas present.

Van-ished
S11 E24

The police question a woman's claim that she was abducted; then physical evidence emerges that could confirm her story.

Message in a Bottle
S11 E42

A used tissue, 12 years after the murder of a young Missouri woman, may be what cracks the case with a suspect list a mile long.

Trial by Fire
S10 E1

A fire investigator determines if a kerosene heater is the cause of a fire that killed one person or if it was murder.

Marked for Life
S10 E2

California police in 1957 search for a murderer, but the case goes cold; 50 years after a crime is committed, advances in computer technology determine the killer.

Plastic Puzzle
S10 E3

A man is killed while riding a bicycle, and a piece of plastic becomes a key clue to finding the vehicle that struck him.

Up in Smoke
S10 E4

Investigators determine what caused a house fire that killed an elderly couple and whether the victims' son is responsible.

Soiled Plan
S10 E5

Detectives are suspicious after a woman is killed in a hunting accident, but it takes more than twenty years before a trace evidence analyst is able to match fibers on a soiled blanket to the killer.

Headquarters
S10 E6

When hunters find a skull in a Texas canyon, police find bits of clothing, a woman's shoe, some small bones and a strand of hair; once they discover her identity, it was time to find the killer.

One for the Road
S10 E7

A video reveals that a missing hotel guest in Key West, Florida may not have been holidaying at all. Use of GPS helps to solve the case.

Shear Luck
S10 E9

The murder of an Air Force sergeant's wife, whose body was found on a Philippines air base, is examined. Investigators use computer forensics to help search for the killer.

Tagging a Suspect
S10 E10

Pieces of plastic the size of sand hold clues to a bombing.

Strong Impressions
S10 E11

At first glance it appears a young woman suffocated, but further investigation shows the scene was staged.

Crash Course: The Hollermann Car Crash
S10 E13

A patrol officer is shocked by the amount of blood at a traffic accident and is shocked by the coroner's ruling until an anonymous phone call re-ignites the case.

Hack Attack
S10 E14

Investigators determine if a computer crash which almost ruined a manufacturing company was accidental or deliberate sabotage.

A Leg up on Crime
S10 E15

An irrigation canal murder remains unsolved until a similar murder occurs.

Deadly Valentine
S10 E16

An obstetrician's wife is murdered, and potential theories of the crime include a botched burglary, and a targeted attack by militant pro-life activists.

Deadly Valentine
S10 E17

On Valentine's Day, an obstetrician finds his wife dead and calls 911; police discover inconsistencies between the blood spatter evidence and his version of events.

Picture This
S10 E18

Weed analysis and photogrammetry are used to help solve the 1995 murder of a California teenager is found dead after disappearing from her home.

Oily in the Morning
S10 E19

When police recover the submerged car of missing man, they find no body; the investigation that follows uncovers a deadly obsession and the motive for murder.

Gold Rush
S10 E20

Emergency dispatch recieved a call from a man who said his girlfriend shot and killed herself. But the wound was not self-inflicted.

Four on the Floor
S10 E21

Investigators piece together evidence found at the scene of a Native American woman's murder; the tyre tracks and shoe impressions could lead them to the killer.

Writer's Block
S10 E22

Experts seek answers to a young businesswoman's death just before she was to testify in a criminal trial.

Prints Among Thieves
S10 E24

Police blame a botched robbery when an eccentric elderly millionaire is found dead, but the motive could be wrong.

Signed, Sealed, and Delivered
S10 E26

Forensics hopes to determine if this was revenge when the home of a state's witness is bombed, killing his father.

Cop Out
S10 E27

Police suspect a gay college student's slaying is a hate crime until forensic evidence points the case in another direction.

Elemental Clue
S10 E28

Two women turn up missing just months apart and investigators suspect a serial killer may be responsible.

Material Witness
S10 E30

The death of a 16-year-old girl is investigated, and paint and wood chips become potential clues for authorities.

Moss, Not Grass
S10 E31

A young woman is found dead on a golf course in the Bahamas; the grass on that course is so distinctive that it had evidentiary value; the evidence leds police to two suspects; each blamed the other, and they have to find out who the killer is.

Sunday School Ambush
S10 E32

A man is killed by criminals who invade his home, but his wife is also a suspect after authorities find a wound on her that may have been self-inflicted.

Penchant for Poison
S10 E35

Three seemingly unrelated deaths proved to be serial murders; the killer had been careful, he uses poison which had no taste or odour, fortunately for investigators, it also has a unique chemical signature.

Bump in the Night
S10 E36

A man is murdered in his sleep but no fingerprints are anywhere to be found; a shoe impression outside could lead to the killer.

Hot on the Trail
S10 E37

A serial arsonist was on the loose in Washington, DC.Each of the fires was started with the same type of incendiary device. It was up to forensic scientists to find the clues that lay in the ashes.

Murder on the Menu
S10 E38

The owner of a restaurant is killed; investigators uncover tales of debt and deceit, but the case remains open, until one detective gets inspired by an earlier episode of "Forensic Files," and looks for clues in an empty holster.

To the Viktor
S10 E39

Homicides in two different continents are investigated.

Wired for Disaster
S10 E40

A woman is killed by a bomb planted in her doorway and investigators hunt for her killer.

Wood-be Killer
S10 E41

An alleged killer tries to destroy evidence of a crime, but inadvertently creates new evidence.

Road Rage
S9 E1

A discarded sleeping bag, containing bloody sneakers and a purse, leads police to the body of a young woman; a mark found on the victim's body enables police to track the killer.

Hunter or Hunted?
S9 E2

A woman's apparent accidental death begins to look fishy after police uncover a letter written by the victim days before her untimely death.

In Harm's Way
S9 E3

An Alaskan trooper finds a woman's body beside a frozen road, but evidence is scant even after a suspected murder weapon is found.

No Corpus Delicti
S9 E5

Police link a clump of hair discovered in an isolated area with a woman who disappeared 20 years ago.

News at 11
S9 E6

A news anchor is shot to death outside her home in an apparent crime of passion by a fan; a police dog tracks the scent of the killer back to the crime scene.

The Stake-Out
S9 E7

When a prominent banker's wife is kidnapped, the trail leads police on a wild goose chase; they track down disgruntled bank customers and examine computer fonts.

Cloak of Deceit
S9 E9

A trio of men, responsible for several bank robberies, leaves no evidence behind; forensic scientists help catch them by looking at the criminals' posture and clothing.

Stick 'em Up
S9 E10

A missing bank president's body is found floating in a lake; the duct tape used in binding him to a chair helps solve the crime.

Head Games
S9 E11

A husband was shot and killed, forensic psychiatry helped the wife to remember the details for what happened.

Making the Collar
S9 E13

The body of a 16-year-old girl is discovered nine months after her disappearance; forensic scientists find clues that paint a virtual portrait of her killer.

Financial Downfall
S9 E14

A young woman falls to her death in what appears to be a tragic accident; a forensic exam of photos taken at the scene tells a different story.

Over a Barrel
S9 E15

The robbery and brutal murder of an elderly couple goes unsolved for 10 years; a forensic scientist makes history when he solves the crime.

A Daughter's Journey
S9 E16

Haunted by her mother's long-ago disappearance, a woman undertakes an investigation of her own and stumbles upon a dark family secret.

Pinned by the Evidence
S9 E17

A man is charged with the murder of a wrestling champion; six years later, a forensic animator testifies on his behalf.

Cries Unheard
S9 E18

A 19-year-old girl is found dead in her car in what appears to be a suicide; police discover that the victime was involved in a love quadrangle, giving several people motive to kill.

Buried Treasure
S9 E19

Fifteen years after a man disappears, using a metal detector, police find evidence which proves what had happened.

Badge of Betrayal
S9 E20

The body of a young California co-ed under an isolated interstate ramp sets off an investigation; San Diego police have no idea who would want her dead, but they discover a tiny, unique fiber on the victim's clothing.

Deadly Matrimony
S9 E21

Police become suspicious of a man who reported his wife missing 15 years after doing the same thing with his first wife.

Seeds for Doubt
S9 E22

A small community in upstate New York is devastated when a car accident claims the life of a well-respected nurse.

Deadly Curve
S9 E23

Car with three Secret Service agents collides with local deputy's car; investigation launched into who was responsible for the deadly car accident finds two very different conclusions.

Muddy Waters
S9 E24

While investigating the case of a Colorado hunter shot three times and killed, police suspect two murder weapons, and two killers, but forensic evidence points them closer to home.

Silk Stalkings
S9 E25

A flight attendant is murdered during the Gulf War and her belongings are stolen, leading investigators to suspect terrorists may have killed her.

Point of Origin
S9 E26

A serial arsonist burns thousands of California homes and businesses.

For Love or Money
S9 E27

Forensic-science techniques employed by real CSIs are examined in this documentary series, which follows coroners, law-enforcement personnel and others as they try to solve baffling crimes.

South of the Border
S9 E28

The cold-blooded murder of an American tourist in a Mexican resort causes law enforcement to focus on both sides of the border.

Visibility Zero
S9 E29

The derailment of the Sunset Limited was the deadliest train crash in U.S. history killing 47 passengers and crew with several more injured.

Northern Exposure
S9 E30

Hikers near Anchorage, Alaska discover a body wrapped in sheets edged in orange stitching; they discover threads of evidence clinging to the sheet.

Flashover
S9 E31

Arson investigators attempt to determine the cause of the 1987 fire at the Kings Cross Underground Station in London.

Silk Stalkings
S9 E32

The son of a murder victim contacts the police when a flight attendant is brutally murdered in a remarkably similar way.

Walking Terror
S9 E33

A man has no recollection of events after stabbing his wife and holding her head underwater in a swimming pool.

Scratching the Surface
S9 E44

Forensic scientists work with the only clue recovered from a multiple-victim shooting: a 12-gauge shotgun. Scientists use unique methods to lift the serial number from the weapon in order to trace it to its owner.

A Wrong Foot
S8 E1

An obscure print found at a crime scene.

The Music Case
S8 E2

The case of a woman found dead in her home leaves investigators stumped.

When the Dust Settled
S8 E3

Neighbors do not hear the gunshots when a union official is killed in his home.

Within Arm's Reach
S8 E4

A police officer claims his estranged wife's shooting death was a suicide, but investigators think it was a murder.

Private Thoughts
S8 E5

When fire fighters find a family dead inside their home, it appears to be a murder-suicide; clues at the scene lead investigators to believe otherwise.

A Welcome Intrusion
S8 E6

A man tells police he shot an intruder who murdered his wife; forensic evidence leads police to re-examine the man's motives.

Once Bitten
S8 E7

Relating the case of Ray Krone, dubbed the "Snaggletooth Killer" by the Arizona media. He was wrongly convicted in the 1991 murder of a Phoenix bar employee, not once, but twice. After serving 10 years in prison, DNA testing proved him innocent; and enabled authorities to locate the actual killer, who confessed to the crime.

Hair of the Dog
S8 E8

A rare gun and a victim's beloved dog help investigators trying to solve a multi-year long murder case where most of the witnesses were admitted drug users.

Breaking News
S8 E9

A search in Virginia's DNA databank reveals the identity of a news producer's murderer.

All the World's a Stage
S8 E10

A homicide detective claims his wife accidentally shot herself in the head, but the evidence indicates otherwise.

A Wrong Foot
S8 E11

A murder in Peoria, Illinois is investigated. The investigators use an obscure clue to track the killer.

Order Up
S8 E12

The murder of a businessman leaves the investigators stumped; the prime suspect's alibi is questioned.

Sphere of Influence
S8 E13

An 11-year-old girl is sexually assaulted and shot twice at close range.

Sign of the Zodiac
S8 E15

New York police hunt the Zodiac killer after a series of deadly attacks.

True Lies
S8 E17

A child's memory, a diary and a forensic psychologist help investigators solve a young woman's murder.

Bed of Deceit
S8 E19

Investigators weigh several theories while probing the death of a retired police officer, including a botched robbery and suicide.

Flower Power
S8 E20

Two different men report the murder of a single mother and when the case's other anomalies stall the police, a candy wrapper and seeds help expose the killer.

Past Lives
S8 E21

After a Connecticut man's body is found in a burning rental car on a Mexican highway, an insurance company suspects a scam.

Over and Out
S8 E22

When a pipe bomb rips through a rural home, killing a young man and seriously injuring his mother, detectives hope that the remnants of a mailing label will lead them to a killer.

Death by a Salesman
S8 E23

A quiet residential community, shattered by the murder of a neighbor. See how modern techniques helped investigators catch the culprit in less than 12 hours.

Nailed
S8 E24

The murder of a sexual-abuse victim who had agreed to take the stand against her attacker is investigated. Although the police suspect the defendant, the case remains open for 15 years before DNA testing is able to verify their suspicions.

Grounds for Indictment
S8 E25

A man is murdered in a drive-by shooting. When a mobile phone trace incriminates a killer, it's up to a forensic geologist to find evidence that he was at the scene.

Dueling Confessions
S8 E26

When a teenage girl is found dead, her boyfriend confesses to her murder. However, in a strange twist, so does another man; police must determine which is the killer.

True Lies
S8 E27

A dormant investigation into a young woman's murder is re-opened. The police rely on a diary, a child's memory and a forensic psychologist to break the case.

Honor Thy Father
S8 E28

A 16-year-old girl is killed in her own home by her mother and father. Her parents said they acted in self-defense, but the forensic evidence indicates otherwise.

Flower Power
S8 E29

A forensic botanist is called in on a murder case when the police hone in on a suspect but have no evidence linking him to the crime scene.

Over and Out
S8 E31

The police investigate a pipe-bomb incident that took the life of a young man and injured his mother.

Dueling Confessions
S8 E36

When Rosemary Anderson is found dead on the side of the road, her boyfriend becomes the prime suspect. He eventually confessed to her murder, but so did another man: serial killer Eric Edgar Cooke.

Hack Attack
S8 E38

A computer database crash at a manufacturing company is investigated.

Flashover
S8 E40

A London fire that killed 31 people is investigated.

Reel Danger
S7 E2

Although a group of teenage thugs are suspected of attacking two boys on a fishing trip, there is no solid evidence until a murky fishing hole provides some answers.

The Alibi
S7 E3

In a small South Carolina town in 1991, 17-year-old Crystal Faye Todd, a popular high school student, is raped, murdered and dumped in a deserted field; with few leads, authorities test the DNA of several friends, and one match shocks everyone.

Palm Print Conviction
S7 E6

Investigators build a makeshift tent around a woman's body and use super glue fumes to lift the killer's palm print from the victim's skin.

Chief Evidence
S7 E7

The murder of a young Seattle couple puzzles investigators until the victims' dog, Chief, leads police to the killer.

Telltale Tracks
S7 E8

An abandoned, still-running car leads investigators to a body with unusual marks and a DNA trail that lead to the killer.

A Shot in the Dark
S7 E9

A woman's death is investigated. The husband claims it was suicide; but the police suspect otherwise.

A Bitter Pill to Swallow
S7 E10

A handsome young doctor's fiancee experiences severe illness after revealing that she is pregnant, and launches her own investigation to determine if the doctor is somehow responsible.

A Clutch of Witnesses
S7 E11

Witnesses claim to have seen a white van run over a man in an alley behind a bar, but when the police respond they find no body and no blood on the van.

A Vow of Silence
S7 E12

The disappearance of a mail-order bride proves suspicious when detectives learn that two of the Texas husband's previous wives had died in mysterious circumstances.

The Cheater
S7 E13

Exploring how an American hit single from 1966 -- "The Cheater" by Bob Kuban and the In-Men -- foreshadowed the demise of the group's lead singer, Walter Scott.

Elephant Tracks
S7 E14

A jeweler's search through old sales records helps police find likely suspects in the murder of elderly couple Edward Kowalzck and Gertrude Thompson.

Who's Your Daddy
S7 E15

When young prostitute's body turns up in an Ohio waterway, authorities have one tiny clue which could point to her killer, but face huge challenges due to her policemen clients and DNA evidence being washed away.

Bio-Attack
S7 E16

A look into the 1984 Oregon food poisonings, where detectives track down the outbreak to a cult which aims to use germ warfare to take down the government.

A Shot in the Dark
S7 E17

A woman is found dead from a gunshot wound and police suspect her husband, however, forensic teams prove what really happened and the truth is stranger than fiction.

All Charged Up
S7 E18

Using an anonymous letter and geographical profiling, investigators close in on a serial rapist, and a cleverly obtained DNA sample confirms their suspicions.

Sip of Sins
S7 E19

A look back at a trio of unsolved murders that occurred in Wichita Falls, Texas during the 1980s, details how a fourth murder from the same time period provided the police with more than they realized. John Little, an investigator for the DA's office, picked up the cold cases years later. He soon connected the fourth crime's confessed killer, Faryion Wardrip, to the other murders.

Without a Prayer
S7 E20

After American Atheists founder Madalyn Murray O'Hair disappears, the discovery of a mutilated body helps police catch the culprit.

A Clutch of Witnesses
S7 E21

Two people witness a truck driving over an unconscious man and flee into a nearby bar, but when the police turn up, the truck, the man and the witnesses are gone.

A Leg to Stand On
S7 E22

A trash collector finds a severed human leg in a trash bin but police cannot use conventional methods of victim identification; investigators turn to toxicology and DNA tests to find the murder-mutilator.

The Metal Business
S7 E23

The story of Phillip Rouss is related. In 1997, the 60-year-old Tennessee resident seemed to be dying and doctors couldn't pinpoint why. In time, however, Rouss came to believe that his partner in a car restoration business might be poisoning him and took his suspicions to the police.

Sip of Sins
S7 E24

A seemingly model citizen turns out to be a serial killer.

Ghost in the Machine
S7 E25

Police find fragments of deleted computer files leading them to suspect a woman's suicide is really murder.

Frozen in Time
S7 E26

A suspicious neighbor gives police a break in a cold case.

Cold Storage
S7 E27

A family suspects their teenage daughter's new friends were involved in her disappearance.

Scout's Honor
S7 E28

Insect evidence helps to solve the mystery of a woman found dead near a river bank.

A Touching Recollection
S7 E29

A girl who is abducted and then released soon afterwards uses her knowledge of forensics to lead police to the kidnapper.

Dressed to Kill
S7 E30

When a 6-year-old disappears, her father becomes the prime suspect; he fails a polygraph test and even confesses, but 10 years later, the investigation gets turned on its head.

Sniffing Revenge
S7 E31

The sensitive nose of a forensic examiner sniffs out murder.

A Bag of Evidence
S7 E34

A garbage bag leads police to a child's killer.

Shadow of a Doubt
S7 E36

A woman is killed two days before she was scheduled to testify against a man accused of assaulting her and the prime suspect has an alibi.

Tooth or Consequences
S7 E37

An investigation into the disappearance of a young woman uncovers a tooth that helps police solve a crime without a body.

The Sniffing Revenge
S7 E38

The sensitive nose of a forensic examiner sniffs out murder.

Plastic Fire
S7 E39

A woman convicted of killing her mother in a car fire is granted a new trial. An expert fire witness shares an opinion on how the fire ignited that differs from the prosecution's theory and, if verified, would clear the daughter of any culpability.

Hunter or Hunted
S7 E40

Authorities track a kidnapper who allowed his victim to write a last will and testament on a note pad; a phone number written on a previous page left a lasting impression.

Fire Proof
S7 E41

Investigating the worst arson spree in U.S. history -- a rash of more than 75 fires near Seattle.

All Wet
S7 E42

A death in Pennsylvania is strikingly similar to one in North Carolina.

Tourist Trap
S7 E43

A bite mark is all the evidence needed to convict a suspect who was robbing tourists in Florida.

X Marks the Spot
S7 E44

Computers aid the police and FBI in solving a string of crimes.

Once Bitten
S7 E45

Technology able to analyze human bite-marks yields information on a woman's death.

House Call
S7 E47

Police in St. Petersburg, Fla., use cell phone mapping, wiretapping and a host of forensic evidence to find a surgeon's killer.

Marathon Man
S7 E48

After a man's body is discovered a few miles from his home, authorities trace the crime back to his house and question his wife.

The Sniper's Trail
S7 E49

A random serial sniper is plaguing Virginia and Maryland, with no profile of their victims.

Plastic Fire
S7 E50

A woman wins her release after being imprisoned for allegedly killing her mother in a car fire.

Last Will
S7 E52

Authorities are able to apprehend a kidnapper because he allowed his victim to write a will on a telltale pad of paper.

Missing in Time
S6 E1

The case of Carolyn Killaby, who vanished in 1995, is detailed. Dennis Keith Smith was convicted of murder after police found two drops of blood in his car and linked them, via DNA testing, to Killaby.

Man's Best Friend?
S6 E3

When 4-year-old April Renee Tucker is found dead in her backyard, her parents tell the police that neighborhood dogs attacked and killed her, but the injuries on her body don't match their account of what happened.

Hand Delivered
S6 E4

How "anonymous" letters can be identified is related in this study of a murder investigation. When police receive a tip with information only the killer could know, they trace the note to the exact location from which it was mailed.

Death Play
S6 E5

One year after her father's death, a teen's role in a high school production of "Hamlet" causes her to reveal the chilling truth behind her family's tragedy.

Fire Dot Com
S6 E6

An examination of arson investigators and whether their conclusions are always correct.

Mistaken for Dead
S6 E7

The death of a patient at the office of Glendale, California doctor Richard Boggs leads investigators to a bizarre scheme involving an insurance scam, switched identities and murder.

Frozen Evidence
S6 E8

The use of shoe impressions to catch criminals is detailed, including one instance in which the evidence almost melted away.

Soft Touch
S6 E9

Fingerprints taken from a piece of cloth help solve the rape and murder of a 22-year-old woman in Henrico County, Va.

Church Disappearance
S6 E10

The FBI profiles a suspect in the kidnapping and murder of a 6-year-old girl during an evening church service; a witness leads authorities to the likely killer, but then becomes a victim herself.

Photo Finish
S6 E11

The murder of model Linda Sobek is detailed. Police identified a suspect from photos discovered by a traffic scofflaw picking up trash. The suspect, Charles E Rathbun, claimed Sobek died during consensual sex and that he panicked, but the forensic evidence proved otherwise. Convicted of murder, he's now serving a life sentence.

Whodunit
S6 E12

The case of Kimberly Hricko is presented. Hricko's husband, Stephen, was discovered dead in their cabin, badly burned from the waist up. Investigators zeroed in on the wife, who stood to collect $400,000 in life insurance.

Horse Play
S6 E13

The case of Shannon Mohr is related. In 1980, the Michigan woman died in what appeared to be a horseback-riding accident. However, further tests revealed that she died from a drug that causes suffocation. In 1989, her husband was convicted of murder.

Treads and Threads
S6 E14

A serial killer in Tampa, Fla., taunts police by strangling prostitutes and leaving their bodies in plain sight, but tire marks and fibers lead to the culprit.

Killer's 'Cattle'log
S6 E15

The case of elderly farming couple Aaron and Faye Copeland is related. They were convicted and sentenced to death for a bizarre scheme that involved bad checks, cattle auctions and the murders of five drifters.

Skin of Her Teeth
S6 E16

The process of identifying a skull recovered from a watery grave is detailed. Although the killer removed his victim's teeth, police were able to establish her identity and hone in on a suspect.

Line of Fire
S6 E17

An examination of a 1995 bank-robbery case involving a group of white supremacists who followed the Phineas Priest movement. Prosecutors relied on forensic science and the latest in crime technology to convict them.

Bad Blood
S6 E18

The case of John Schneeberger is related. The Saskatchewan doctor was accused of sexually assaulting female patients. Although initial DNA tests cleared him, he later admitted to circumventing the testing by inserting a plastic tube filled with another man's blood into his arm. It was a private detective, hired by one of Schneeberger's patients seven years later, who uncovered the ruse.

Pure Evil
S6 E19

The case of would-be serial killer Jason Massey, who wanted to become like his idols Ted Bundy and Henry Lee Abbott, is related. In 1993, the 21-year-old was arrested, convicted and sentenced to death for murdering two teenagers.

Root of All Evil
S6 E20

The case of Fred Grabbe is detailed. In 1981, his wife Charlotte disappeared; three years later, police charged him with murder. His girlfriend testified against him in court, claiming that they burned his wife's body beneath a maple tree. Two scientists were able to verify her story, producing physical evidence from the tree to back up her claim.

Where the Blood Drops
S6 E21

The case of Susie Mowbry is detailed. Although she was convicted of murdering her husband, her son believed her story that his financially troubled stepfather had committed suicide. The son enrolled in law school and began studying the case, learning that prosecutors withheld crucial findings by a nationally respected blood-spatter expert. After serving almost 10 years, Mowbry was given a second trial---and was found innocent.

Punch Line
S6 E22

The treatment for an injured hand leads to a murder charge in this look at the Elwood Jones case. Jones claimed he cut his hand on a dumpster, but his doctor recognised the wound as a "fight bite". The doctor was the main witness at Jones' murder trial, during which Jones was convicted of killing a 67-year-old woman.

Sibling Rivalry
S6 E23

The pornography empire cultivated by brothers Artie and Jim Mitchell crumbles when one turns up dead and his brother confesses to shooting him; investigators question whether the shooting was premeditated.

Pastoral Care
S6 E24

When prison guard Donna Payant's body is discovered at a landfill, a medical examiner uses a "signature" clue to link her death to a murder the same examiner investigated 10 years earlier.

Bagging a Killer
S6 E25

When a 9-year-old girl vanishes on her way to school, the entire community helps with the search; detectives believe her mother may be involved, and a hidden fingerprint seals the case.

Double Trouble
S6 E26

The brutal assault of a Maine state trooper is connected to an 8-month-old murder case in New Jersey by the "signature" the alleged killer, Steven Fortin, used in both crimes.

Cats, Flies and Snapshots
S6 E27

A young woman goes missing without leaving many clues, but the advanced technology on offer makes it possible for cat hairs and insects to help build an image of the abductor.

Naked Justice
S6 E28

Blood spatter analysis and an investigation lead police to the truth when a pregnant woman is found dead in her home.

Treading Not So Lightly
S6 E29

A mother is determined to discover what happened when her daughter is injured in a hit-and-run accident.

Shopping Spree
S6 E30

Forensic science and deductive reasoning determine what happened to a mother and daughter while they were on a shopping spree.

Badge of Deceit
S5 E1

The search for a serial rapist who preyed on the women of Lafayette, Louisiana, from the early 1980s through 1995 is detailed. Despite using the most advanced methods available to them, the investigators came up empty until an anonymous phone call tipped them to a suspect: sheriff's deputy Randy Comeaux. DNA evidence taken from a cigarette butt confirmed that he was their man.

Dew Process
S5 E2

An autopsy performed two years after the murder of a dentist's wife reveals fibres that point toward the killer.

A Woman Scorned
S5 E3

The investigation into the murders of Joann Katrinak and her infant son points toward the husband until police find a long blonde hair at the crime scene.

A Voice from Beyond
S5 E4

Included: a body left in a barrel for 30 years. There are few clues, but investigators locate an address book nearby.

Burning Ambition
S5 E5

The suspected arson of Seattle policeman Mathias Bachmeier's home leaves investigators flummoxed until, a month later, Bachmeier arrests a small-time drug dealer who confesses to the crime. Shortly thereafter, however, the suspect disappears---only to turn up dead. That event leads investigators to a new suspect: Bachmeier.

Memories
S5 E6

A woman identifies her husband as her attacker, but questions arise 16 years later regarding her recollections.

Trail of Truth
S5 E7

A mother and her two young daughters are found brutally murdered and sexually violated; the crime scene has no shortage of evidence, but investigators cannot find a conclusive link to their prime suspect.

Material Evidence
S5 E8

The investigation into the rape and murder of a girl is detailed. The police used orange fibres found near the crime scene to track the culprit.

Kill'igraphy
S5 E9

This examination of the role an autopsy plays in a murder investigation focuses on the 1997 death of a woman. Police charged her mentally unstable husband with murder, but a medical examiner discovered that she died of natural causes.

Nursery Crimes
S5 E10

A police investigation of a Texas hospital, where children die at a higher rate than at any hospital in the country, hones in on a nurse.

Lasting Impression
S5 E11

Bug larvae and a wad of gum found near a decomposed body lead to a suspect.

Foundation of Lies
S5 E12

Police suspect a man in the disappearance of his wife when he goes house-hunting with a woman pretending to be his spouse.

Unholy Vows
S5 E13

The story of Archbishop Valerian D Trifa, former head of the Romanian Orthodox Church in America, is related. Following World War II, Trifa emigrated from Romania to the US In 1957, survivors of Nazi atrocities in Bucharest recogniaed him as having directed a bloody 1941 attack against Jews. He was deported in 1984 and died three years later.

Deadly Knowledge
S5 E14

The investigation into a missing coed leads police to discover that, unbeknownst to her friends, she led a bizarre double life, attending school by day and working as a call-girl by night. When her body is discovered, investigators obtain evidence that implicates her killer.

Time Will Tell (Albert Walker Case)
S5 E16

"A body found washed ashore on England's south coast leaves investigators stumped, but service records on the dead man's Rolex watch lead to the discovery of his identity: Ronald Platt. Knowing that, detectives track down his business partner, Albert Walker. A police officer visits Walker's residence, where a neighbor indicates that a ""Ronald Platt"" lived in the house and describes the man---with words that match Walker's description, leading to Walker's arrest for murder."

Second Shot at Love (The Della Sutorius Case)
S5 E17

The death of a man suffering from depression is initially considered a suicide, but further police investigation points to his wife.

Journey to Justice
S5 E18

A hit-and-run driver is convicted with help from an accident-reconstruction expert and a video specialist, who re-create the incident on tape.

Video Diary
S5 E19

Specialists including a NASA vendor help police reconstruct a damaged surveillance video to catch the murderer of convenience store employee Wanda Mason in Lansing, Mich.

Invisible Intruder
S4 E1

A woman claims that her children were killed by an intruder, but authorities suspect that the woman may have been the culprit.

The Killing Room
S4 E2

The investigation into the 1991 disappearance of Scott Dunn from his Lubbock, Texas, home is detailed. The police came to suspect his girlfriend, Leisha Hamilton, of foul play after finding blood stains beneath a replaced segment of bedroom carpeting.

Ultimate Betrayal
S4 E3

A 1995 house fire that killed two children leads investigators to suspect their mother of setting the blaze.

Cement the Case
S4 E4

A man confesses to killing his wife, but forensic evidence may lead to another suspect.

'Til Death Do Us Part
S4 E6

Detailing a case of thallium poisoning that was initially diagnosed as Guillain-Barre syndrome.

Ties That Bind
S4 E7

Police search for a sexual predator after the bodies of two boys are found, and an unusual piece of rope might be a key clue.

Body of Evidence
S4 E8

Bite marks lead investigators to the perpetrator of a 1978 rape-murder.

Accident or Murder?
S4 E9

The police investigate the death of a woman whose body was found at the bottom of a staircase.

Core Evidence
S4 E10

Forensic-science techniques employed by real CSIs are examined in this documentary series, which follows coroners, law-enforcement personnel and others as they try to solve baffling crimes.

Haunting Vision
S4 E11

A fire in a home in which two children died is investigated.

With Every Breath
S4 E12

The mysterious deaths of a couple are investigated.

Slippery Motives
S4 E13

A man is suspected of murdering his wife by drowning her in a hotel bathtub.

Without a Trace
S3 E1

The deaths of a child and a truck driver in the same hospital on the same day are investigated to see if there is a link between them.

Knot for Everyone
S3 E2

The murders of three women in California are investigated. The killer cut the victims' hair and clothing in a seemingly random pattern.

The Talking Skull
S3 E3

A forensic anthropologist attempts to identify a human skull found at a Boy Scout camp.

Deadly Delivery
S3 E5

An investigation into a pipe-bomb explosion that killed a young man and seriously injured his mother.

Similar Circumstances
S3 E6

A couple are investigated after similar kidnapping claims involving their children.

Grave Evidence
S3 E7

The shooting of a man during a hunting trip is re-opened years after the incident, and the victim's hunting partner becomes a suspect.

Beaten by a Hair
S3 E9

Investigators searching for a missing woman find wig hairs and fibres in the woman's home, although the victim never wore a wig.

Crime Seen
S3 E10

DNA evidence in a 1984 abduction-rape case clears the accused 10 years after the fact.

Speck of Evidence
S3 E11

The 1984 disappearance of a 9-year-old girl in Tucson is investigated.

Broken Bond
S3 E12

Forensic-science techniques employed by real CSIs are examined in this documentary series, which follows coroners, law-enforcement personnel and others as they try to solve baffling crimes.

Out of Ashes
S3 E13

Two years pass in the investigation of a missing 18-year-old girl, but the authorities make a breakthrough by re-interviewing her boyfriend and a childhood friend.

The Common Thread
S2 E1

The hunt for a serial killer who plagued the Tampa area during the 1980s is recalled. The case broke wide open when the perpetrator released a victim rather than killing her and she was able to give the police enough information to track him down.

Killer Fog
S2 E3

A look back at a December 1990 accident on Route I-75, near Calhoun, Tennessee that involved 99 vehicles and resulted in 12 deaths. The investigation focused on whether human error, the weather or a combination of the two was to blame.

Sex, Lies and DNA
S2 E4

Forensic-science techniques employed by real CSIs are examined in this documentary series, which follows coroners, law-enforcement personnel and others as they try to solve baffling crimes.

Bitter Potion
S2 E5

A case of thalium poisoning is investigated.

The Blood Trail
S2 E6

The police investigate an odd case involving a farmer who is being harassed by a neighbor.

Fatal Fungus
S2 E7

Investigators in Cleveland try to determine why infants are bleeding from the lungs. An airborne fungus is suspected.

Charred Remains
S2 E8

Using dental records, the police try to determine the identity of a woman whose body was burned.

Something's Fishy
S2 E9

The investigations of two seemingly random deaths in Seattle lead the authorities to a connection: over-the-counter medication that was tampered with.

Sealed with a Kiss
S2 E10

For more than a year, hateful letters were sent to a school teacher in Pennsylvania. DNA analysis would eventually help seal the perpetrator's fate.

Micro-Clues
S2 E12

The murder of a 13-year-old boy is investigated, and police find an organism in his lungs that may lead to the cause of death.

Deadly Parasites
S2 E13

Heavy rains and snow run-off carry manure into Milwaukee's water supply in 1993, leading to an epidemic of gastrointestinal illness affecting 400,000 people.

The Disappearance of Helle Crafts
S1 E1

The investigation into the disappearance of flight attendant Helle Crafts leads to the murder conviction of her pilot husband.

The House That Roared
S1 E2

The disappearance of Oklahoma City resident Caren Campano leads investigators to suspect her husband, Chris, when blood is discovered on a carpet. Using a "reverse paternity" process, they are able to identify it as Caren's---and Chris is charged with murder and is later convicted of manslaughter.

Magic Bullet
S1 E3

The death of a 15-year-old boy, shot in the head while sitting in the lobby of his father's gun club, is detailed.

The Footpath Murders
S1 E4

Scientists and detectives use DNA to solve a string of rapes and murders.

Planted Evidence
S1 E5

The use of non-DNA evidence to solve crimes is detailed.

Legionnaires' Disease
S1 E7

An examination of "Legionnaires' Disease", so named after it decimated a 1976 American Legion convention in Philadelphia. One hundred and eighty attendees developed pneumonia-like symptoms; 29 individuals died.

Insect Clues
S1 E10

Police rely on a forensic entomologist to provide time-of-death evidence relating to a murder in which the body had decomposed. By identifying the species of flies milling around the body, he could pinpoint when the victim died.

Outbreak
S1 E11

"High levels of thyroid hormones in a South Dakota community lead investigators to one family whose son was not sick. The reason: he was a vegetarian, and the cause was ""extra lean beef"" that contained thyroid tissue."

Raw Terror
S1 E13

An 11-year-old boy comes down with a fever and diarrhea after eating an undercooked burger; when his condition worsens, his mother drives him to a hospital and doctors discover E. coli destroying his body.