Episode list

Robert Black is the worst child killer in modern British history. Convicted of the abduction and murder of four school girls, he is widely expected of having murdered up to ten more in a ten year campaign of terror that murdered the meaning of childhood for a generation In 1993 he agreed to be interviewed by the renowned sex offender process Ray Wyre. What emerged was a chilling insight into Black's deadly modus operandi - and revelations that he had knowledge of the disappearance of many other girls.

After hearing the confessions of Colin Ireland, who murdered five men in two weeks, detectives have been haunted by the cold and calculating detail unlike anything they'd heard before.

When Nurse Elizabeth Wettlaufer walked into a police station, she confessed to murdering eight patients with insulin, but explained that she had the ultimate motivator- God. In 2017 she was sentenced to life imprisonment. She voluntarily handed herself into police. Using the police precinct as a confessional, this angel of death shared with detectives how god had instructed her to end life.