The "School Girl Killer" is a name given to an unidentified serial killer who operated in Japan during the late 1960s and early 1970s. He is known to have killed at least four schoolgirls, all of whom were aged between 11 and 15 years old. The victims were found strangled to death in Tokyo, Kanagawa and Saitama Prefectures. Despite extensive police investigations and a massive manhunt, the killer has never been identified and the case remains unsolved.
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