UK Border Force

Britain's biggest visa fraud case is busted by UKBA and the Met Police. Jatinder Sharma set up a company called Univisa to help foreigners into Britain using fake documents.

A piece of scrub land in Calais has been nicknamed the jungle. It's where "clandestines" lie in wait to sneak on to trucks heading for Britain.

A Jamaican man is arrested in Birmingham on his wedding day. He's an overstayer who mistook his certificate to get married as permission to live in the UK.

A couple from Guyana are thought to have been living under stolen identities for over 13 years. UKBA's Criminal Investigation Team have been investigating this for a year.

At the British High Commission in Lagos a pig farmer is quizzed about his colourful history in Britain of dodgy travel documents and a fracas with the police.

We go behind the scenese inside the British High Commission in Lagos, Nigeria. It's a city where travel documents are sold openly on street corners.

At Heathrow's Terminal Two a Nigerian with a forged passport is stopped by immigration. Also in this episode is the "euro criminal" stopped at Calais.

The owner of a nail bar in Southampton is an asylum seeker whose partner is a known illegal immigrant. He's suspected of employing other illegal immigrants as nail technicians.

A snow storm shuts down the British transport system. Just one flight lands at Heathrow. A charismatic passenger from Antigua charms the immigration staff.