May 22, 1951 - Kenneth Bianchi
Operating alongside his cousin Angelo Buono Jr., Bianchi was part of a killing partnership that preyed on women and girls across the Los Angeles hillsides in the late 1970s, a case that drew sustained national attention. His conduct after arrest — including an attempt to feign multiple personality disorder to avoid conviction — became nearly as studied as the crimes themselves, offering investigators and psychologists an early case study in calculated criminal deception.
From Wikipedia
Kenneth Alessio Bianchi (; born May 22, 1951) is an American serial killer, kidnapper, and rapist. He is known for the Hillside Strangler murders which he committed with his cousin Angelo Buono Jr. in Los Angeles, as well as for two more murders in Washington State as the sole perpetrator. Bianchi is currently serving a sentence of life imprisonment in Washington State Penitentiary for these crimes. He was also at one time a suspect in the Alphabet murders, three unsolved murders in his home city of Rochester, New York, from 1971 to 1973. Bianchi was most recently denied parole in 2025.
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