Examining the shocking cases where perpetrators have tried to feign innocence, deceiving the police and the public on missing persons and murder crimes they committed.
A man says he survived the Grenfell fire and that his wife and son were among the victims. After he claims £12,500 and appears on TV, police become suspicious.
In 1985, Jeremy Bamber shot his parents, his sister and her twin sons. He protested his innocence - what do his messages from prison reveal?
One man's claims about a VIP paedophile ring threatened to destroy the reputations of some of Britain's most powerful people. But, was he telling the truth?
Christopher Halliwell is known to have killed two young women - is he responsible for more unsolved disappearances? Experts analyse his police interviews.
A young father returns to England after his wife and baby daughter are found shot dead at their US home. What really happened? Experts analyse his behaviour.
Why was Aram Kurd the only person to survive an explosion at his supermarket that killed five people? Experts identify his deception in TV and police interviews.