Top 10 Creepiest Facts About John Wayne Gacy

John Wayne Gacy is understandably creepy, but it goes deeper than you'd think. For this list, we’ll be looking at the most unsettling truths about one of America’s most infamous serial killers. Our countdown includes The Crawl Space, His Last Words, The Attack on Donald Voorhees, and more! Which of these facts disturbs you the most? Let us know in the comments below.