Editing John Wayne Gacy (section)

===8213 West Summerdale Avenue===
With financial assistance from his mother, Gacy bought a ranch-style house at 8213 West Summerdale Avenue in unincorporated [[Norwood Park Township, Cook County, Illinois|Norwood Park Township, Illinois]], part of [[Chicago metropolitan area|metropolitan Chicago]].{{sfn|Nelson|2021|p=19}} He lived there until his arrest in December 1978 and, according to Gacy, committed all his murders there.{{sfn|Sullivan|2000|pp=166–179}}

Gacy was active in his local community and helpful towards his neighbors; he willingly loaned his construction tools and plowed snow from neighborhood walks free of charge.{{sfn|Linedecker|1980|pp=83–87}} From 1974 to 1978, he hosted themed annual summer parties. These events were attended by up to 400 people, including politicians and business associates.{{sfn|Cahill|1986|pp=150–158}}