Roll of Honor
Incident
Patrolman Lawrence Duncan was killed when he was struck by a drunk driver on Northern Boulevard. Patrolman Duncan was issuing a speeding ticket on his motorcycle when a motorist hit him from behind. He was pinned between his motorcycle and the vehicle that struck him. He was killed instantly. The driver was indicted for second-degree manslaughter, convicted of driving under the influence of alcohol, and subsequently sentenced to two to four years in prison. Patrolman Duncan had served with the Nassau County Police Department for six years and previously served with the Nassau County Police Department.
Survivors
He was survived by his wife, father, four brothers, and four sisters.
In Our Keeping
- Permanent identifier
BO-US-NY-C6C6BD68- Stewardship
- Maintained by NeuraWeb Global Inc.
- 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 never knew you. I am standing here anyway.
Patrolman Duncan gave the Nassau County Police Department 6 years.
Thank you for your service to the Mineola community. Gone but never to be forgotten.
Rest easy, Patrolman Duncan.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Patrolman Lawrence E. Duncan 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 NY, 754 of 2,147 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 35.1% of this state's fallen. That is 19.1 percentage points below the national rate of 54.2%.
At Nassau County Police Department, 12 of 51 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 23.5% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Lawrence E. Duncan's cause is highlighted.
How Lawrence E. Duncan Compares
Offender Outcome
Guilty of DUI
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Lawrence E. Duncan is highlighted in Oct.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Lawrence E. Duncan was killed by automobile; alcohol involved.
Incident Location
Others Who Wore This Badge
50 officers from Nassau County Police Department are honored on badge.nw. Showing the 16 most recent.
