John Wayne Gacy

John Wayne Gacy Jr. (March 17, 1942 – May 10, 1994) was an American serial killer and rapist. He sexually assaulted, tortured and murdered at least 33 teenage boys and young men between 1972 and 1978 in Cook County, Illinois (a part of metropolitan Chicago). Cruising years: 1976–1978 The majority of Gacy's murders were committed between 1976 and 1978, which he later referred to as his "cruising years" (Wikipédia)
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(les "années de croisière" de John Wayne Gacy ne sont autres que sa période critique septennale des 35 ans)