Jung Yoo-jung, a 23-year-old true crime fan, killed a female tutor in South Korea. Her motive? She was curious about what it would be like to murder someone.
Journalist Bob Cyphers on the decades-long search for the unidentified serial killer and what's made the process of identifying him so hard.
Tom DeSena and Junior Lallbachan, experienced biohazard and crime scene cleaners popular on TikTok, tell us about their unique line of work.
A Pennsylvania woman was found dead in her car in 2014 after getting into an argument with her boyfriend. The cause of her death is unknown.
The victim of Munchausen by Proxy, who went to prison for her participation in the murder of her abuser, her mother, Dee Dee Blanchard, speaks with us about her new freedom.
Gregg Olsen takes a closer look at the barn fire death of an Amish woman, whose husband, Eli Stutzman, was convicted of a separate murder.
The Austrian woman was abducted and imprisoned by Wolfgang Priklopil when she was 10 years old. She says a difficult childhood helped her survive.
George Olivo, a retired FBI special agent and senior polygraph examiner, on how polygraph tests work and their reliability.
In January 1958, Charles 'Charlie' Starkweather murdered 10 people in Nebraska and Wyoming with his 14-year-old girlfriend by his side.
Two years after the Jonestown Massacre, ex-members of the cult, Al, Jeannie, and Daphene Mills, were murdered. The killer was never caught.