Ian Huntley, Stuart Hazell, Mitchell Quy and Karen Matthews are some of the notorious criminals of recent years, all convicted for different crimes but all with one thing in common, they all lied on camera about the crimes they themselves had committed. In this ITV special the lies of these criminals who managed to briefly fool Britain are put under the microscope whilst three of the nations top forensic and behavioural psychologists and experts reveal developments made in the science behind lying and understanding what it is that gives a liar away.