Roll of Honor
Incident
Patrolman Monahan died of a gunshot wound he received as he and three other officers investigated a complaint that a disorderly house was being operated on Garden Street in Brooklyn. As Patrolman Monahan and three other patrolmen were searching and questioning a man in the hallway of the house, the second man drew a gun and fired, striking Patrolman Monahan twice in the abdomen. Patrolman Monahan was taken to Saint Catherine's Hospital where he died 10 days later from his wounds. The subject fled the house and engaged the other three Patrolmen in a running gun battle. He was able to elude capture. He was was apprehended the two weeks later by detectives and charged with murder. He was convicted of murder and sentenced to prison. While servicing his sentence, the subject was implicated in the murder of Detective James Garvey, who was killed in April of 1934. The suspect was convicted in that murder, and sentenced to death He was executed at Sing Sing Prison in 1942. Patrolman Monahan assigned to the 14th Division.
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- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Patrolman Monahan served with the New York City Police Department.
Thank you for your service to the New York community. Gone but never to be forgotten.
Rest easy, Patrolman Monahan.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Patrolman John T. Monahan is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.
In NY, 728 of 2,147 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 33.9% of this state's fallen. That is 33.9 percentage points above the national rate of 0%.
At New York City Police Department, 365 of 1237 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 29.5% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. John T. Monahan's cause is highlighted.
How John T. Monahan Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. John T. Monahan is highlighted in Dec.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. John T. Monahan was killed by gun.
Incident Location
Others Who Wore This Badge
1,236 officers from New York City Police Department are honored on badge.nw. Showing the 16 most recent.
