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.

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 have rare access behind the scenes in an Immigration Removal Centre where the UKBA officers are planning a mass deportation on a specially chartered flight.

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.