Incident
Patrolman John Stack succumbed to injuries sustained the previous day when he was brutally attacked from behind while on duty on Smithfield Street near Fourth Avenue.
Approximately 10 minutes before the incident Patrolman Stack had cleared from the scene of a fire with another officer and entered a restaurant to eat. As he left the restaurant to go back on his beat, he was attacked by at least three men and sustained several blows to the back of his head, resulting in a fractured skull. He was discovered in the middle of the street shortly after the incident by other officers and taken to his home in the 100 block of Third Avenue. Due to the nature of the injuries, he was taken to the Western Pennsylvania Hospital where he died the following day.
The owner of the restaurant and two other subjects were arrested and charged with his murder. On June 14th, 1872, charges were dropped against all three after a jury trial. Shortly before the trial a material witness mysteriously left town but returned to town the same day charges were dropped in court. The witness was arrested and detained as a defaulting witness and gave a statement to the court that he had left town with family for Philadelphia, Pennsylvania, and New York City, New York. He claimed he was given no indication about when the trial was taking place and did not feel he was an important witness.
Patrolman Stack was a Union Army veteran of the Civil War and had served with the Pittsburgh Bureau of Police for three years. After the Civil War, he sculpted the statue of the Infantry of the United States that is displayed at the Soldiers and Sailors Memorial Hall and Museum in Allegheny County.
Patrolman Stack was a Union Army veteran of the Civil War and had served with the Pittsburgh Bureau of Police for three years. After the Civil War, he sculpted the statue of the Infantry of the United States that is displayed at the Soldiers and Sailors Memorial Hall and Museum in Allegheny County.
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- Added to badge.nw
- April 2, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
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Tributes
I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.
Patrolman Stack gave the Pittsburgh Bureau of Police 3 years.
Thank you for your service. Gone but never to be forgotten.
Rest easy, brother.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Military Service
John Stack served in the United States military before joining law enforcement. Full service record available on salute.nw.
Patrolman John Stack is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.
In PA, 597 of 1,261 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 47.3% of this state's fallen. That is 6.9 percentage points below the national rate of 54.2%.
At Pittsburgh Bureau of Police, 45 of 101 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 44.6% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. John Stack's cause is highlighted.
How John Stack Compares
Offender Outcome
Acquitted
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. John Stack is highlighted in Apr.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. John Stack was killed by blunt object.
Incident Location
Others Who Wore This Badge
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