Roll of Honor
Incident
Sergeant Platt and Police Officer Kevin McCarthy were killed when their cruiser was broadsided at an intersection by a drunk driver. The two officers were on routine patrol in a residential area when the driver of a pickup truck failed to obey a stop sign. The truck struck the cruiser at a high rate of speed which caused the cruiser to flip over and strike a utility pole. Both officers were killed instantly. The suspect was sentenced to six years in prison followed by five years of probation.
In Our Keeping
- Permanent identifier
BO-US-MD-C1336E8D- Stewardship
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- Added to badge.nw
- 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.
Sergeant Platt gave the Baltimore City Police Department 17 years.
Thank you for your service to the Baltimore community. Gone but never to be forgotten.
Rest easy, Sergeant Platt.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Sergeant John David Platt 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 MD, 195 of 377 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 51.7% of this state's fallen. That is 51.7 percentage points above the national rate of 0%.
At Baltimore Police Department, 80 of 151 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 53% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. John David Platt's cause is highlighted.
How John David Platt Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. John David Platt is highlighted in Oct.
Weapons Used Against Officers
Most common weapons in felonious officer deaths.
Incident Location
Others Who Wore This Badge
150 officers from Baltimore Police Department are honored on badge.nw. Showing the 16 most recent.
