[PAR] [TLE] Joseph R. Kozenczak [SEP] 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. [PAR] [TLE] John Wayne Gacy [SEP] John Wayne Gacy Jr. (March 17, 1942 – May 10, 1994) was an American serial killer and rapist.  He sexually assaulted, tortured and murdered at least 33 teenaged boys and young men between 1972 and 1978 in Cook County, Illinois (a part of metropolitan Chicago).
[PAR] [TLE] Joseph R. Kozenczak [ SEP ] 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 . [PAR] [TLE] John Wayne Gacy [ SEP ] John Wayne Gacy Jr. ( March 17 , 1942 – May 10 , 1994 ) was an American serial killer and rapist . He sexually assaulted , tortured and murdered at least 33 teenaged boys and young men between 1972 and 1978 in Cook County , Illinois ( a part of metropolitan Chicago ) .
What US state became headline news when Police Chief Joseph Kozenczak investigated John Wayne Gacy's serial killing spree.
What US state became headline news when Police Chief Joseph Kozenczak investigated John Wayne Gacy 's serial killing spree .
Illinois
Illinois