Single mom disappears after dating; strange texts follow. Years later, investigators unravel web of deceit, leading to murderer's conviction.

Reporter Philip Eli on his book 'Prescription for Pain' and how a doctor with three decades of experience as a pediatrician and emergency room physician wound up with a life sentence.

Rodney Alcala, also known as the 'Dating Game Killer' isn't the only killer, or even serial killer, to go on a game show. Experts speak about why some killers wanted to compete on TV.

The murders of real estate agents Ashley Okland and Beverly Carter reflect a disturbing pattern of real estate industry violence that affects professionals in the field, regardless of age, location and gender.

The convicted killer and father of 12 tortured and sexually abused his children for years, exerting such power that some of them murdered at his command.

Music journalist and author Joel Selvin talks about the mental health issues that derailed the famous rock drummer's life and career.

In 2006, four sex workers were found dumped in a ditch near Atlantic City's border. The serial killer has yet to be identified.

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.

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.