John Wayne Gacy: The Killer Clown · 30 Aug 2026 · 12 min

Robert Piest and the Warrant That Exposed Thirty-Three Dead

On December 21, 1978, Des Plaines police entered John Wayne Gacy's ranch house looking for a missing teenager and found a crawl space that had hidden twenty-nine bodies for six years. This is the chapter where the smell, the diagrams, and a fifteen-year-old's disappearance finally brought the killer clown's world down.

John Wayne Gacy: The Killer Clown
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Robert Piest and the Warrant That Exposed Thirty-Three Dead

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What's covered

The Night Everything Cracked Open

It's December twenty-first, nineteen seventy-eight. The temperature in Norwood Park Township is well below freezing.

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The Man the Neighbors Knew

To understand how December twenty-first was possible, you have to understand what John Wayne Gacy looked like to the people around him. He ran a legitimate contracting business called P.D.M.

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The Smell That Went Nowhere

The neighbors noticed something eventually. Not the comings and goings of young men.

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Robert Piest

On December thirteenth, nineteen seventy-eight, a fifteen-year-old named Robert Piest was finishing a shift at a pharmacy in Des Plaines. He told his mother he needed to speak to a contractor about a summer job, one that paid well.

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December Twenty-First

When officers entered the house on December twenty-first, the smell hit them immediately. There was no ambiguity.

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The Diagrams

Gacy provided detailed accounts of what he'd done. He didn't deny the killings.

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The Trial and Conviction

In March nineteen eighty, after a trial that laid out the full scope of the killings, John Wayne Gacy was convicted of thirty-three murders. At the time, it made him one of the most prolific serial killers in American history.

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Death Row and the End

Those fourteen years did not produce significant public drama. Gacy painted, including portraits of clowns that would become perversely sought-after objects of curiosity.

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Eight Names Still Missing

Eight of Gacy's thirty-three victims remain unidentified as of twenty twenty-four. These are eight people who disappeared at some point between nineteen seventy-two and nineteen seventy-eight and whose families, if they exist, have never had confirmation of what happened to them.

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What the Property Became

Gacy's house at 8213 West Summerdale Avenue was demolished in April nineteen seventy-nine, just months after the discovery. It couldn't remain.

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What the Search Warrant Actually Changed

Step back from the details for a moment and the structure of this case is stark. For six years, John Wayne Gacy killed teenagers and young men, buried most of them under his house, maintained a functioning public life, operated a real business, performed as a clown at children's events, and was never caught.

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