Kenneth Alessio Bianchi (born May 22, 1951) is an American serial killer, kidnapper, and rapist.
He is also known for the Hillside Strangler murders along with his cousin Angelo Buono Jr., as well as having murdered two more women in Washington by himself.
He is currently serving a sentence of life imprisonment in Washington State Penitentiary for these crimes.
He is also a suspect in the alphabet murders, three unsolved murders in his home city of Rochester, New York.