Case - John Wayne Gacy

Accomplice - Willy P

Sources

https://www.britannica.com/biography/John-Wayne-Gacy

https://www.biography.com/crime-figure/john-wayne-gacy

https://www.imdb.com/name/nm0300475/

https://murderpedia.org/male.G/g1/gacy-john-wayne.htm

https://www.history.com/this-day-in-history/john-wayne-gacy-confesses