Overview: A chilling profile of the serial killer Todd Christopher Kohlhepp, who claimed the lives of at least seven innocent people between 2003 and 2016.
Overview: A profile of the serial killer who found himself at the center of New York's biggest manhunt after a vicious shooting spree that left six dead.
Overview: A profile of The Truck Stop Killer, who targeted hitchhikers and truck stop sex workers in a horrific string of crimes spanning 15 years.
Overview: A profile of the murderer known to some as the Riverside Prostitute Killer, who sits on death row after being convicted for the slaying of 12 women.
Overview: A profile of the Rhode Island family man and Sunday school teacher, who also turned out to be a cold-blooded triple murderer.
Overview: An investigation into the murderous mother-and-son duo, who killed their elderly landlady in a greed-fuelled ploy.
Overview: A profile of the serial killer who took the lives of six victims in one month, known to some as The Vampire Killer due to his penchant for cannibalism.
Overview: Known as The Railroad Killer to some, the serial killer is thought to have taken the lives of more than 23 victims before his execution in 2006.
Overview: A look at the lives and crimes of a duo of cousins who, together, took the lives of 10 girls and women aged between 12 and 28.
Overview: A look at the life of the American serial killer, who was convicted of three murders but confessed to many more.