Peter Neidermeyer was one of several accomplices responsible for a series of violent murders across Illinois and Indiana in the early 1900s. He was captured in 1904, convicted of capital murder, and executed by hanging on April 22, 1904, in Cook County, Illinois .
Criminal Activities & Modus Operandi
Neidermeyer operated with at least three accomplices—Gustave Marx, Harry Van Dine, and Emil Roeski. Their method was predominantly shooting. The group targeted victims across Chicago and Indianapolis areas, often leaving no survivors. Their spree sparked widespread fear until their arrest in 1904 .
Confirmed Victims
- Otto Bauder, 19 – July 9, 1903 – shot to death in Illinois .
- Bohumil LeGros, 43 – August 1, 1903 – fatally shot in Chicago, IL .
- Adolph Johnson, 21 – August 1, 1903 – Illinois shooting victim .
- James B. Johnson, 38 – August 30, 1903 – shot, Illinois .
- Frank Stewart, 38 – August 30, 1903 – Illinois shooting .
- John Quinn, 37 – November 21, 1903 – Illinois victim .
- Joseph D. Driscoll, 33 – November 27, 1903 – Illinois shooting .
- John Sovea, 25 – November 27, 1903 – shot to death in Indiana .
Capture, Trial & Execution
In 1904, authorities apprehended Neidermeyer along with his associates. They were tried and convicted of multiple counts of capital murder. On April 22, 1904, Neidermeyer, Gustave Marx, and Harry Van Dine were executed by hanging in Cook County, Illinois .
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