NEED TO KNOW

On May 10, 1994, John Wayne Gacy was executed in prison

Otherwise known as the Killer Clown, Gacy was convicted of murdering at least 33 teen boys and young men in the 1970s

The serial killer's last words after sitting on death row for 14 years became infamous

John Wayne Gacy died over 15 years after he was caught for his disturbing crimes.

The serial killer, who came to be known as the Killer Clown after being convicted of murdering at least 33 teen boys and young men throughout the 1970s, died while at a correctional facility in Illinois on May 10, 1994. Though his crimes were among the most heinous in American history, Gacy maintained a disturbing double life as both an upstanding citizen and a sexual predator.

On the outside, he was seen as a friendly community ma

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