She was the sexiest, most beautiful actress in Hollywood during her short career. But Marilyn Monroe had a heartbreaking childhood with a mentally ill mother. Her upbringing destroyed her self-confidence. And that allowed Hollywood and dozens of men to use and abuse her.

The Backstory: The Horrifying Afterlife of Lincoln's Guests at Ford's Theater
10:11

The Backstory: The Secret NASA Test That Almost Ended the Space Race
08:04

The Backstory: Space Junk Falling From the Sky
08:43