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Five months after jovial London resident Sinead Healy disappears, her family finds law enforcement's prime suspect impossible to accept.
Investigators scour CCTV footage in their search for a Buckingham shire student, last seen returning home in a taxi after celebrating final exams.
A divorced mother finds a new boyfriend, but his dominating and abusive personality soon raises alarm bells and isolates her from her family members.
After a week passes with no word from a Manchester woman to her family, a burnt body is discovered in an obviously staged, smoke-filled crime scene.
A successful London automotive businessman seemingly fails to return from a holiday to France with his girlfriend - a jeweller with royal connections.
A blatant lie alerts a woman's family that the jet-setting, controlling boyfriend who troubles them is deceiving them about her whereabouts.
When a seven-year-old child suddenly vanishes, suspicions fall on his mother's boyfriend, who was last seen playing video games with the boy.
Authorities discover that the disappearance and murder of an Ipswich woman is linked to another local killing, and to a hard-drinking social group.
An 80-day search for a young mother in Durham ends in a tragic discovery and two painful trials in which the victim's character is maligned.
The Sikh community in London reels at the bizarre murder of a prominent TV producer whose body is discovered bound in the trunk of a burning car.
Family members and friends share real-life stories about loved ones whose missing persons cases turned into murder investigations.
When young Mark goes missing, family and police search frantically, only to find the answers were close to home.
When Carol Taggart goes missing, questions start to arise about the circumstances of her disappearance when her son's story doesn't add up.
Surjit Athwal goes on holiday in India and doesn't come back; the circumstances of her holiday come into question as the family's secrets unravel.
When at-risk Joe Pooley goes missing, family and police search frantically, but are too late; investigations into his murder find his friends may not be what they seem.
A 22-year-old insurance clerk, Helen McCourt, was returning home from work in Liverpool before going out on a date with her new boyfriend; she got off the bus on Rainford Road in Billinge, just 500 yards from her home, and went missing.
In December 1988, 22-year-old Lorraine Benson arrived at Raynes Park metro station after going to a work Christmas party; she'd arranged to meet her friend Peter, but he wasn't there as planned.
Young mother of three children, Natalie, was killed by her boyfriend, Paul Hemming, in their family home whilst her three children slept upstairs; their six-year-old son witnessed Natalie's body wrapped in a rug in the lounge.
On June 5, 1998, 11-year-old Wesley waved goodbye to his mother, Liz, and rode off on his bicycle to go to the local shop to get some sweets; Liz reported him missing to the police when he failed to return home, and it was getting dark.
In June 1985, Carole Packman left a note to say she was leaving the family home for good; Sam Gillingham was 16 when her mother, Carole Packman vanished from the family's suburban home in the seaside resort of Bournemouth.
School girl Danielle Jones, aged 15, was last seen on the morning of June 18, 2001, near her home in East Tilbury, Essex; like hundreds of thousands of other children that day, she was on her way to catch the school bus.
Shafilea Ahmed was born in Bradford, West Yorkshire, in July 1986, to Farzana; her family moved to Warrington, a town with a small but well-established Asian community.
A 17-year-old girl, Jayden Parkinson, met Ben Blakely when she was just 15 years old through her friendship with Ben's younger brother; Jayden and Ben started a relationship when she was just 16.
Evelyn Lund's first husband, Arthur, a successful businessman, had died of cancer, leaving her a wealthy woman; within 18 months, she had fallen for the charms of Robert Lund, a divorced tree surgeon.
Janet Muller was a bright and fun loving 21-year-old German exchange student studying at Brighton University; she had no previous history of mental illness, but became unwell ahead of her final exams.