The story of Ed Gein, who dug up the corpses of over a dozen women and made things out of their remains before finally shooting two people to death and butchering their bodies like beef sides.
A film based on the notorious mass killer Richard Speck, who systematically tortured, raped and murdered a group of student nurses from South Chicago Community Hospital in 1966.
Dennis L. Rader systematically tortured and killed innocent victims for over two decades, evading the police for over 30 years while living a seemingly normal life as a husband, father, security officer and church president.