Edmund Emil Kemper III (born December 18, 1948) is an American serial killer who murdered a total of 10 people, including a 15-year-old girl, as well as his own mother and her best friend, from May 1972 to April 1973, following his parole for murdering his paternal grandparents. Kemper was nicknamed the Co-ed Killer, as most of his victims were female college students hitchhiking in the vicinity of Santa Cruz County, California. He stands at a height of 6 feet 9 inches (2.06 m). Most of his murders included necrophilia, with some incidents of rape