Nassau County Police Department, New York
End of Watch Sunday, December 16, 1979
Add to My HeroesDaniel J. Greer
Police Officer David Greer was struck by a drunk driver and killed while talking with a motorist he had pulled over on the Long Island Expressway in Plainview, New York at 10:30 a.m.
The 23-year-old driver dragged him more than 150 feet before fleeing and also hit the car Officer Greer had pulled over, injuring a registered nurse who comforted Officer Greer as he died. The driver of the vehicle was located with the help of CB radio users who were in the area.
The subject was charged with hit and run, manslaughter, vehicular homicide, and DWI. He was released after posting a $5,000 bond. He pleaded guilty to criminally negligent homicide and was sentenced to community service and five years of probation.
Officer Greer was posthumously awarded the Purple Heart. He had been with the Nassau County Police Department for 13 years. He was survived by his wife, two sons, and two daughters.
Bio
- Age 44
- Tour 13 years
- Badge 1247
Incident Details
- Cause Vehicular assault
- Weapon Automobile; Alcohol involved
- Offender Community service and probation
Most Recent Reflection
View all 36 ReflectionsOfficer Greer, You are remembered by the men and women of Massachusetts law enforcement. RIP
Michael Kane
Retired Detective, Boston Police Department
June 19, 2024
Recent LODD Deaths

Deputy Sheriff Antonio Aleman
Doña Ana County Sheriff's Office, NM
EOW: July 8, 2025

Officer Miguel Cano
California Highway Patrol, CA
EOW: July 2, 2025

Deputy Sheriff Devin Mason
Darlington County Sheriff's Office, SC
EOW: July 1, 2025

Detention Officer Francisco Paul Flattes
Cherokee County Sheriff's Office, NC
EOW: June 30, 2025

Police Officer Kelvin Patrick
Detroit Police Department, MI
EOW: February 6, 2025

Supervisory Special Agent Dennis M. Wagner, Jr.
United States Department of Justice - Federal Bureau of Investigation, US
EOW: March 5, 2025

Police Officer Kendall Isaiah Corder
Milwaukee Police Department, WI
EOW: June 29, 2025

Undersheriff Brandon Gaede
Phillips County Sheriff's Office, KS
EOW: June 27, 2025

Sergeant Shiou Deng
Los Angeles Police Department, CA
EOW: June 23, 2025