John Wayne Gacy is one of the most infamous serial killers in American history. Known as the Killer Clown due to his practice of performing as a clown character at community events, Gacy was convicted of murdering 33 young men and boys in Illinois between 1972 and 1978. He spent 14 years on death row before being executed in 1994. This article explains his crimes, his time on death row, and the legal process that led to his execution.

Who Was John Wayne Gacy?

John Wayne Gacy was born on 17 March 1942 in Chicago, Illinois. He was a married businessman who ran a successful construction company, was active in local politics, and was known in his community for charitable work — including performing as a clown character called Pogo the Clown at children’s hospitals and neighbourhood events. Beneath this public persona, Gacy was luring young men and boys to his home, sexually assaulting them, and murdering them. He buried most of his victims in the crawl space beneath his house in Norwood Park Township, Illinois.

How Was John Wayne Gacy Caught?

Gacy came to the attention of police in December 1978 following the disappearance of 15-year-old Robert Piest, who had gone to Gacy’s home to discuss a summer job. Investigators obtained a search warrant for Gacy’s property. During the search, officers noticed a foul smell coming from beneath the house. Excavation of the crawl space revealed the remains of 26 victims. Further searches of nearby rivers uncovered additional bodies. Gacy was arrested on 21 December 1978.

How Many People Did John Wayne Gacy Kill?

Gacy was convicted of 33 murders, making him one of the most prolific serial killers in United States history. All of his victims were male, ranging in age from 14 to their mid-20s. Most were lured with promises of work or money. The majority of the bodies were found beneath his home; others had been thrown into the Des Plaines River. Advances in DNA technology have allowed authorities to identify victims in the years since his execution, and as of the 2020s, all but a small number of his victims have been officially identified.

What Was John Wayne Gacy’s Trial?

Gacy’s trial began in February 1980 in Cook County, Illinois. His defence team argued that Gacy was legally insane and did not appreciate the criminality of his actions. The prosecution countered that Gacy was calculating and deliberate — he had confessed in detail to the killings, demonstrating full awareness of what he had done. The jury rejected the insanity defence. After less than two hours of deliberation, the jury returned 33 guilty verdicts for murder, along with convictions for sexual assault and other offences. The jury recommended the death penalty on all 33 counts.

How Long Was John Wayne Gacy on Death Row?

Following his conviction in March 1980, Gacy was sentenced to death and sent to Menard Correctional Center in Chester, Illinois. He spent 14 years on death row — an unusually long period even by American standards. During this time he pursued a series of appeals challenging his conviction and death sentence, all of which were ultimately unsuccessful. Gacy occupied himself during his years on death row by painting, and his artworks — many depicting clown figures — became notorious and were later auctioned and ultimately destroyed by the families of his victims.

How Was John Wayne Gacy Executed?

John Wayne Gacy was executed by lethal injection at Stateville Correctional Center in Crest Hill, Illinois, on 10 May 1994. He was 52 years old. The execution took approximately 18 minutes, longer than usual, reportedly because one of the chemicals used caused the tubing to become clogged. His last meal included fried chicken, shrimp, french fries and strawberries. His last words were reported to be a profane dismissal of the proceedings. Over 1,000 members of the public gathered outside the prison as the execution took place — some to protest the death penalty, others in support of it and in memory of the victims.

What Is the Death Penalty in the United States?

The United States retains the death penalty at federal level and in many individual states. Illinois — the state where Gacy committed his crimes — abolished the death penalty in 2011, meaning that had Gacy been tried after that date he could not have been sentenced to death. The method of execution by lethal injection, used in Gacy’s case, became the standard across the United States from the 1980s onwards. The UK abolished the death penalty for murder in 1965 — meaning that the kinds of crimes committed by Gacy could never result in execution in Britain.

What Happened to Gacy’s Victims?

John Wayne Gacy murdered 33 young men and boys between 1972 and 1978. Their families have campaigned for decades to ensure the victims are remembered rather than the perpetrator. Several victims were not identified for over 40 years, but advances in genetic genealogy technology led to the identification of the last known unidentified victim in 2023. Memorial events and victim advocacy groups continue to honour those killed by Gacy and push back against the notoriety that the killer received during his lifetime.

Frequently Asked Questions About John Wayne Gacy

How many people did John Wayne Gacy kill?

John Wayne Gacy was convicted of 33 murders, all of young men and boys, committed between 1972 and 1978 in Illinois, USA. He is considered one of the most prolific serial killers in American history.

How was John Wayne Gacy executed?

Gacy was executed by lethal injection on 10 May 1994 at Stateville Correctional Center in Illinois. The execution took approximately 18 minutes due to a technical issue with the tubing.

How long was John Wayne Gacy on death row?

John Wayne Gacy spent 14 years on death row between his sentencing in 1980 and his execution in 1994. During this time he pursued multiple appeals, none of which were successful.

Why was John Wayne Gacy called the Killer Clown?

Gacy earned the nickname Killer Clown because he performed as a clown character — called Pogo the Clown — at community events, parades and children’s hospitals. The contrast between this public persona and his crimes gave rise to the nickname.

Is the death penalty still used in the US?

Yes. The death penalty remains legal at federal level and in many US states, though a number of states — including Illinois, where Gacy committed his crimes — have since abolished it. The UK abolished the death penalty for murder in 1965 and it has not been used since.