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.
John Felton Parish John Felton Parish (July 4, 1933 – August 9, 1982) was an American mass murderer who shot dead six people and wounded three others at two warehouses in Grand Prairie, Texas, United States on August 9, 1982. Afterwards, while driving a hijacked semi-trailer truck, he led police on a high-speed chase through Grand Prairie downtown that ended only when he broke through a police barricade, injuring an officer, and crashed into a building. He was subsequently killed by police during a shootout.