Kansas City police say a murder victim was, himself, a convicted murderer and a suspect in another murder.

The body of Keith Williams was found in his home. He was a suspect in the killing of his former girlfriend. Williams had served ten years in prison before being paroled in 2003 for a murder he did when he was 14 years old. 

His girlfriend was killed when a man who walked up to her in the driveway of her home and shot her to death. Williams had been questioned in that death but had not been charged.