
The series going behind the scenes of immigration continues with rush hour at Calais. Officers search UK-bound lorries for illegal immigrants, with today's searches proving fruitful. (5/8)

The observational documentary series continues. At Heathrow Terminal 3, officers stop a student from entering the UK, while the team in Calais search lorries for illegal immigrants. (2/8)

The observational documentary series continues. At Heathrow Terminal 3, officers stop a student from entering the UK, while the team in Calais search lorries for illegal immigrants. (2/8)

The observational documentary series going behind the scenes of UK immigration continues, as officers at Heathrow Terminal 3's passport control question suspicious travellers. (3/8)

The observational documentary series going behind the scenes of UK immigration continues, as officers at Heathrow Terminal 3's passport control question suspicious travellers. (3/8)

The series going behind the scenes of immigration continues with rush hour at Calais. Officers search UK-bound lorries for illegal immigrants, with today's searches proving fruitful. (5/8)

The series going behind the scenes of immigration continues with rush hour at Calais. Officers search UK-bound lorries for illegal immigrants, with today's searches proving fruitful. (5/8)

A routine passport control check at Heathrow's Terminal 3 turns into a marathon investigation. And a cleaning company is raided during a search for illegal immigrants. (6/8)

A routine passport control check at Heathrow's Terminal 3 turns into a marathon investigation. And a cleaning company is raided during a search for illegal immigrants. (6/8)

The probing documentary series continues to examine and explore immigration laws. This week's focus is on asylum seekers in Calais, who sneak aboard trucks heading to Britain. (2/10)

The probing documentary series continues to examine and explore immigration laws. This week's focus is on asylum seekers in Calais, who sneak aboard trucks heading to Britain. (2/10)

The series gains access to a foreign airport for the first time: Lagos Murtala Muhammed International Airport. A pregnant woman on board a flight to the US arouses suspicions. (5/10)

The series gains access to a foreign airport for the first time: Lagos Murtala Muhammed International Airport. A pregnant woman on board a flight to the US arouses suspicions. (5/10)