Deputy Sheriff Dennis Leo Riley

Deputy Sheriff Dennis Leo Riley

Charles County Sheriff's Office, Maryland

End of Watch Tuesday, January 11, 1977

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Dennis Leo Riley

Deputy Sheriff Dennis Riley was killed in an automobile crash at the intersection of Route 228 and U.S. Route 301 in Waldorf, Maryland.

As he waited for a traffic light to change, a tractor trailer fuel tanker skidded to a stop and overturned on his patrol car, killing him instantly.

Deputy Riley had previously served in the Vietnam War with the United States Marine Corps. He was survived by his wife and four children.


  • Age Not available
  • Tour Not available
  • Badge 49
  • Military Veteran

Incident Details

  • Cause Automobile crash

Most Recent Reflection

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Rest in peace and know that your service and sacrifice are always remembered by your law enforcement brethren.

Detective Cpl/3 Steven Rizzo
Delaware State Police (Retired)

September 14, 2020

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