Season 13 Episodes2
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4.1
John Wayne Gacy: A Monster in Disguise
4.1/10 · 128 votesAug 3, 199950 min
Ranked #2 of 2 in Season 13•−1.2 vs season avg
Examine the horrifying double life of one of America’s most notorious serial killers, presenting his crimes through a factual, victim‑centered lens. The episode traces how Gacy cultivated an image of a friendly suburban contractor and community volunteer — even performing as “Pogo the Clown” —
Seasons27
Episode Summary
"John Wayne Gacy: A Monster in Disguise" is episode 5 of Biography season 13. It scored 4.1/10 from 128 votes, ranking #2 of 2 episodes this season (season average 5.3). It aired on August 3, 1999.