The bodies of Bill, Sarah, and Nancy Bueller are found in a bayou. But one question remains: what led to their deaths?

A traumatic head wound leads detectives to suspect his death was a murder.

Learn more about what Charles Manson and his cult The Family actually believed in and what religions they followed.

A Philadelphia woman's autopsy reveals a brutal murder, as well as rape before and after her death.

Learn about the many theories for the motives behind the Manson Family murders, including drug deals and Helter Skelter.

Preview: Police look to speak with a sex worker who may have had a lead on what happened to Melissa Ramirez. They soon find ...

Preview: A woman is found executed on a rural road 25 miles from downtown Laredo.

Charles Manson wasn't the only one in his family to serve time behind bars. His mom, Kathleen Maddox, also spent three years ...

Melissa Ramirez shared with a friend that she felt she would die to a gunshot wound very soon.

The Beatles' song "Helter Skelter" supposedly inspired Charles Manson. Learn what the band had to say about the murders.

Preview: A sex worker tells a police officer she was attacked by one of her regular customers.

Lady of the Dunes: Hunting the Cape Cod Killer is an all-new, three-part documentary series coming this November to Oxygen, ...