Edmund Kemper killed his grandparents at age 15.
Disturbing killer Edmund Kemper began by murdering his grandparents, before going on to kill and dismember six college girls, his mother and her friend.
Edmund Kemper committed murders while in a state hospital.
The life and crimes of Edmund Kemper, known as the 'Co-Ed Killer', who murdered his grandparents and his mother, as well as six college students
A serial killer begins at age 15.