Senior Trooper Charles Mark Cosslett

Senior Trooper Charles Mark Cosslett

Virginia State Police, Virginia

End of Watch Wednesday, October 23, 2002

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Charles Mark Cosslett

Trooper Charles Cosslett was killed in a motorcycle accident on I-95, near Backlick Road, south of I-495, in the Springfield area of Fairfax County.

Trooper Cosslett was responding to a sniper-related shooting call at 5:35 pm and driving on the right shoulder around rush hour traffic when a tow truck veered onto the shoulder from the right lane. The motorcycle struck the tow truck, killing Trooper Cosslett instantly.

Trooper Cosslett was scheduled to be off the day he was killed but reported to work to help other officers search for a sniper who had killed ten people and wounded another three in the Washington metro area. The shooting call he was responding to turned out to be unfounded. The two suspects in the sniper case were arrested at 3 am the next morning near Frederick, Maryland.

Trooper Cosslett was a U.S. Marine Corps veteran and had been employed with the Virginia State Police for 16 years. He is survived by his wife, 3-year-old son, and 2-year-old daughter.


  • Age 40
  • Tour 16 years
  • Badge 968

Incident Details

  • Cause Motorcycle crash


Most Recent Reflection

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Sr. Trooper Cosslett,
On today, the 20th anniversary of your death I would just like to say thank you for your service and sacrifice-not just as a Law Enforcement Officer but for our Country as well when you served with the USMC. And to your Family and loved ones, I wish to extend my deepest sympathy.

Semper Fi Devil Dog!
A fellow LEO; former Marine

United States Border Patrol

October 23, 2022

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