Kenneth Alessio Bianchi is an American serial killer,kidnapper and rapist. Known as the Hillside Strangler, worked with his cousin Angelo Buono to commit 15 rapes and murders. They went on a killing spree between October 1977 and January 1978, raping and murdering 15 victims in Los Angeles. The men posed as policemen and targeted prostitutes to begin with, moving on to middle-class women and girls. They usually left the bodies on the hillsides of the Glendale Highland Park area, earning the moniker "The Hillside Strangler."
In 1975, he left Rochester and moved to Los Angeles, where he lived with his older cousin, and later moved in with his girlfriend, Kelli Boyd, and had a child. A chronic liar, he set up a psychology practice with a phony degree and told his girlfriend that he was dying of cancer. Before long, he and Buono teamed up for a spree of kidnappings, rapes and murders that eventually claimed 15 victims,