The Unexplained With Howard Hughes

John Darwin shocked the world when he faked his own death in a "canoe accident" and, with his wife's collusion, thought he'd pulled off a famous fraud... But determined work by acclaimed British journalist and writer David Leigh led to Darwin's discovery - in Panama. Now ITV is making a film of the so-called "canoe man" deception. This is the story of how David Leigh found Darwin and his wife.