Documentary profiling Chicago killer John Wayne Gacy, who was well-liked by his local community, until it emerged he had ended the lives of 33 men in the 1970s.
An insight into the crimes of Jeffrey Dahmer, the American serial killer dubbed the 'Milwaukee Cannibal' after he raped, murdered and dismembered 17 people between 1978 and 1991.
A profile of Ed Gein, the killer and body-snatcher who came to be known as the 'Butcher of Plainfield', and whose story is thought to have inspired Alfred Hitchcock's Psycho.
An insight into the crimes of Thierry Paulin, who attacked, robbed and murdered at least 18 elderly women in France during the 1980s, to fund his extravagant lifestyle.
