The Border Force uncovers Britain's greatest ever immigration scam.
Excess baggage in the form of six undocumented immigrants is coming in from Calais.
The UK Border Agency is an uninvited guest at sham weddings in Birmingham and Glasgow.
A suspected in a smash and grab heist at a jewelry store in Austria; officers play spot the imposter in Lagos, Nigeria.
Border Force agents are on the money at Heathrow Airport.
A charismatic passenger stirs up conflict between the immigration staff, while customs officers target those smuggling animal products.
Immigration officer Lisa Lea checks the passport of a man from Pakistan who says he's doing marketing for his fruit and vegetable business; Lisa is suspicious about his passport stamps and finds out he's running illegal businesses.
At Heathrow's Terminal Three, officers stop a student from entering the UK after a trip home to his native India, while the team in Calais search lorries they suspect are being used to smuggle illegal immigrants.
Police question a suspicious passenger from Johannesburg and officer Dan Brown confronts a man holding false documentation.
Immigration officers at Heathrow investigate a Jamaican man they believe to be a drug mule.
Five Iraqis are found in the back of a truck
The police raid Rochdale in search of illegal immigrants