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.
Score: 8.2
Score: 10.0
Score: 0.0
Score: 6.6
Score: 5.5
Score: 0.0
Score: 10.0
Score: 9.3
