268 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Robert Piest

Case from Des Plaines, IL dated Dec 11, 1978

Victim Details

Name

Robert Piest

Gender

Male

Race

White / Caucasian

City

Des Plaines

State

IL

Date Of Death

1978-12-11

Age At Death

15

First Name

Robert

Last Name

Piest

Last Updated

07/11/2026

Case Description

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Robert Jerome Piest, a 15-year-old Caucasian male, tragically lost his life on December 11, 1978, in Des Plaines, Illinois. His death marked the final chapter in the horrifying crimes of John Wayne Gacy, one of America's most infamous serial killers. Piest was a high school student and part-time employee at Nisson Pharmacy. On the evening of his disappearance, he had informed his mother that he would speak with a contractor about a potential job opportunity before returning home. That contractor ...

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Links to Additional Sources (7)

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Robert Piest - IMDb

John Wayne Gacy - Wikipedia

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Forum Posts (2)

I recently came across something that really stuck with me about Robert Piest's tragic disappearance... ...Read More
04/22/2025

Has anyone else been thinking about the role technology could have played in Robert Piest’s case i... ...Read More
01/20/2024

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