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

On December 4, 1978, Billy Milligan, who was charged with the kidnapping, robbery and rape of three women, became the first defendant found not guilty by reason of insanity due to multiple personality disorder, now reclassified as dissociative identity disorder.

Lisa Montgomery spent years on death row after committing a horrific crime. While there, she began to recover from a lifetime of nightmarish abuse. In January 2021 she was the first woman executed by the U.S. government in 67 years.

Although ruled accidental, Elisa Lam's mysterious death at the Cecil Hotel continues to fuel conspiracy theories and speculation.

Rickey Ray Rector always had a troubled mind—as an adolescent, he fought regularly with peers, and by 17, he was a career criminal. But over the course of four days, his disturbing behavior reached its peak when Ray shot five people with a .38-caliber pistol.