This week on What If I Told You, Em and Mad take a deep dive into the story of one of the United State's most notorious serial killers: John Wayne Gacy. Listener discretion is strongly advised. 

Timeline: Suburban serial killer John Wayne Gacy and the efforts to recover, name his 33 victims - Chicago Tribune

John Wayne Gacy: Inside Peacock's New True-Crime Docuseries - Rolling Stone

John Wayne Gacy - Crime Museum

John Wayne Gacy | Murderpedia, the encyclopedia of murderers

John Wayne Gacy | Biography, Murders, Execution, & Facts | Britannica

John Wayne Gacy - Wikipedia

John Wayne Gacy | | siouxcityjournal.com

The Man Who Killed Boys: The John Wayne Gacy, Jr. Story - Clifford L. Linedecker - Google Books

The Legal Legacy of John Wayne Gacy: The Irrebuttable Presumption That Juries Understand and Follow Jury Instructions 78 Marquette Law Review 1994-1995 (heinonline.org)

The Chicago Killer: The Hunt for Serial Killer John Wayne Gacy - Joseph R. Kozenczak, Karen M. Kozencz - Google Books

145052052.pdf (core.ac.uk)

John Wayne Gacy #237 (clarkprosecutor.org)

Kiehl, Kent A., and Joshua W. Buckholtz. “Inside the Mind of a PsychoPath.” Scientific American Mind, vol. 21, no. 4, 2010, pp. 22–29., www.jstor.org/stable/24943127. 

People of the State of Illinois vs. John Gacy: The Functioning of the Insanity Defense at the Limits of the Criminal Law 86 West Virginia Law Review 1983-1984 (heinonline.org)