Serial Killers

A witness gave the infamous serial killer his name after observing him bounce a white ball, which caused a frenzy of tips and calls to police. 

Investigators still hope to identify subjects photographed by the prolific serial killer Rodney Alcala in the '60s and '70s.

Serial Killer Charles Sobhraj, who found his victims along the Hippie Trail in the 1970s, preyed on unsuspecting Western backpackers.

Among murderer Marc Dutroux's many horrific crimes, he built a secret dungeon in his basement and held victims as sex slaves. In some cases, he had help from accomplices.

Jack Unterweger was known as a reformed killer and respected crime journalist in Austria until it was discovered that he was reporting on his own horrific acts.

Police thought they were searching for one body at Fred and Rosemary West's home in Gloucester, England — but they'd find many more.

Some of the globe's most infamous killers, including Fred West, Jack Unterweger, and Marc Dutroux, had some help from their romantic partners. 

From bodies buried in a family's yard in England to tourists murdered along the shores of Thailand, a new Peacock series explores international stories of unspeakable horror.

The upcoming scripted show about John Wayne Gacy (inspired by the Peacock docuseries of the same name) aims to take the focus away from the killer clown and place it on the victims. 

Whether they hunted for victims in national forests or within their own family, these cold-blooded serial killers all terrorized the state of Georgia.