https://www.rollingstone.com/culture/culture-news/john-wayne-gacy-devil-in-disguise-peacock-true-crime-series-1151885/
https://www.oxygen.com/true-crime-buzz/was-john-norman-connected-to-serial-killer-john-wayne-gacy
https://www.amazon.com/Serial-Killers-Method-Madness-Monsters/dp/0425196402
https://chicago.suntimes.com/entertainment-and-culture/2021/3/19/22338876/john-wayne-gacy-serial-killer-house-chicago-evidence-art-paintings-devil-disguise-peacock
https://en.wikipedia.org/wiki/John_Wayne_Gacy
https://quotecatalog.com/quote/john-wayne-gacy-ive-taken-3-X7qd0e1
https://legaltalknetwork.com/podcasts/chicago-bar/2019/02/the-killer-clown-edition-the-prosecution-of-john-wayne-gacy/
https://www.newyorker.com/magazine/1994/04/18/conversations-with-a-killer