In 1990 Robert Black was arrested for the abduction of a young girl. The full extent of his crimes revealed him to be one of Britain's most dangerous sex offenders. In this episode we look at the evidence to determine whether he was the man responsible for the disappearance of Genette Tate.

The investigation to find Genette was the biggest in Devon and Cornwall Police history and the first few hours were crucial if she to be found alive. It was a race against time to solve a mystery and the clock was ticking. This episode features interviews with those at the forefront of the...