The 12th Victim

In 1958, Charles Starkweather and his girlfriend Caril Ann Fugate went on a murder spree that took the lives of 11 victims including Caril’s mother, stepfather and baby stepsister. Charles was sentenced to death, and Caril became the youngest woman ever sentenced to life in prison. To this day, she maintains her innocence and that she did not know Charles had killed her family when she accompanied him. The series looks deeper into Caril’s role in the crimes and how this case reflects society's fascination with true crime. (Showtime)