What US state became headline news when Police Chief Joseph Kozenczak investigated John Wayne Gacy's serial killing spree.
Joseph R. Kozenczak Joseph R. Kozenczak was the former Chief of Police of Des Plaines, Illinois where he worked for 27 years. He is recognized for his role of Chief Investigator of the John Wayne Gacy Serial Murder Investigation in 1978.
Oakland County Child Killer The Oakland County Child Killer (OCCK) is an unidentified serial killer responsible for the murders of four or more children, two girls and two boys, in Oakland County, Michigan, United States in 1976 and 1977. Several theories and suspects have been named in the case, but despite all these theories, the cases remain unsolved and the killer(s) have never been identified.