The Murder of Local Businessman John A. Petrus

From Jefferson County NY Wiki

John A. Petrus was stabbed to death at his place of business in 1983 (owned a business on Outer Washington Street). They found his body some years later, dismembered. He was murdered by David Kocyla and Wendell G. "Joe" Sweet. David Kocyla was convicted of the crime in 1987.

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John A. Petrus's sister-in-law was also murder in an unrelated case.

Notorious Jefferson County Crime