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: 6.6
Score: 7.9
Score: 10.0
Score: 2.7
Score: 7.3
Score: 7.0
Score: 8.3
Score: 7.2
