On this day in 1964: Fifteen-year-old Edmund Kemper III murdered his grandparents, beginning his life as a serial killer.

Kemper, who became known as the Co-ed Killer, shot both grandparents with a rifle while visiting their ranch in North Fork, Calif. Then he called his mother and reportedly told her, “I just wondered how it would feel to shoot Grandma.”

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On this day in crime history – August 19