Episode 1: 18th August. Discovery Channel

Documentary looking at how people who have shed crocodile tears to hide their guilt in criminal cases.

Kerry Daynes, who’s spent 20 years studying some of Britain’s most notorious psychopaths, body language analyst Cliff Lansley and linguistics specialist Professor Dawn Archer study frame-by-frame the TV appeals of four notorious fakers. Each time, viewers are guided to the tell-tale signs.

In addition to expert witnesses, the documentaries include interviews with police investigators, film-makers and journalists, and use extensive video evidence to show how some of Britain’s most notorious criminals used television to try to get away with it.

The brilliant Robyn Wright edited Eps 1, 2 and 3.

Tune in at 10pm on 18^th Aug on The Discovery Channel