In December 1978, Gacy meets Robert Jerome Piest, a 15-year old kid working at a drug store and extends to him an employment opportunity at Gacy's firm. Piest educates his mom regarding this and neglects to restore that night. The Piest family records a missing individual's report and the drug specialist advises police that Gacy would no doubt be the man that Jerome addressed about work. When addressed by the police, Gacy denied any contribution in Piest's vanishing. Be that as it may, the police were not persuaded, and Gacy's history of sexual maltreatment and battery incited the police to look through his home. Among the things found at Gacy's home were a 1975 secondary school class ring with the initials J.A.S., different driver's licenses, cuffs, apparel that was unreasonably little for Gacy, and a receipt for the drug store that Piest had worked at. Through the span of the following barely any days, specialists got various calls and tips about Gacy's rapes and the secretive vanishings of Gacy's workers. The class ring was in the end followed back to John A. Szyc, one of Gacy's unfortunate casualties in 1977. Futhermore, after looking at Gacy's vehicle, specialists found a little bunch of strands taking after human hair, which were sent to the labs for further examination. That equivalent night, search hounds were utilized to identify any hint of Piest in Gacy's vehicle, and one of the canines demonstrated that Piest had, truth be told, been available in the vehicle.
On December 20, 1977, under the pressure of consistent police observation and examination, Gacy admits to more than 30 homicides and illuminates his legal advisor and companion where the bodies were covered, both in the slither space and the waterway. 26 exploited people were found in the creep space and 4 in the waterway. Gacy is captured, indicted for 33 killings, and condemned to death by deadly infusion. He endeavored a madness supplication however was denied, and was executed on May 10, 1994.
There were a few criminological markers that specialists used to attach Gacy to the murde
