At age 12, Jasmine Richardson helped her adult "boyfriend" Jeremy Steinke plot the fatal stabbings of her parents and her younger brother in Medicine Hat, Alberta, Canada in April 2006.

Abigail Williams was one of the first people "afflicted" during the Salem Witch Trials and went on to accuse 57 people of witchcraft. Then, she mysteriously vanished from the historical record.

Stuart Sutcliffe was The Beatles’ original bass guitarist, but he quit the band just before Beatlemania took off — then died of a cerebral hemorrhage a year later.

Jessie Misskelley Jr., Jason Baldwin, and Damien Echols were convicted of killing three boys in a cult-like ritual in May 1993 — but then they were later released in 2011.

A team of scientists worked together to reconstruct the face of a teenager using a 9,000-year-old skull found in Greece.

Colombo family underboss Sonny Franzese hung out with Frank Sinatra, financed The Texas Chain Saw Massacre, and killed more people than he could even remember before he died at the age of 103 in 2020.

This ancient sword found on an island in Denmark is incredibly well-preserved despite dating back to 1100 and 900 B.C.E.

Archaeologists have uncovered the skeleton of a warrior in northern Italy from the 6th century who after having his hand amputated, used a knife as a prosthetic hand.

Gambino soldier Roy DeMeo and his deadly crew of killers used their chilling "Gemini Method" to murder untold dozens of victims throughout the 1970s and early '80s.

To his family and neighbors in suburban New Jersey, Richard Kuklinski was an all-American husband. To his victims, he was a terrifying murderer known as "The Iceman."

In 1980s California, Dorothea Puente's house was a den of theft and murder as this terrifying landlady killed at least nine of her unsuspecting tenants.