The murder of movie star Lana Turner’s mobster boyfriend by her 14-year-old daughter was the biggest story in Hollywood in the late 1950s. But did young Cheryl really wield the knife? Or did she take the hit for her mother?

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