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.
Gary Lee Davis Gary Lee Davis (August 13, 1944 – October 13, 1997) was a convicted murderer and rapist who was executed by the U.S. state of Colorado in 1997. He is the only person to date to have been subject to the death penalty in Colorado since its reinstatement in 1977.