UPDATE: Fatal Accident on Father's Day at Shamrock Court

  • Calvert County
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On June 20 at approximately 4:53 p.m., members of the Calvert County Sheriff’s Office Patrol Division and Crash Reconstruction Team responded to Shamrock Court in Port Republic for a report of a serious motor vehicle crash.

A preliminary investigation determined that a red 2010 Chevrolet Camaro R6, operated by Nicholas Adam Grigsby, a 27 year old male of Lexington Park, was traveling south bound on Shamrock Court when the vehicle left the roadway and entered a side skid.  The vehicle subsequently went airborne after striking a culvert.  Shortly after going airborne the vehicle’s driver side door struck a tree.  The vehicle was also occupied by Darrell Charles Demarr, a 49-year-old male of Waldorf.  Demarr was seated in the front passenger seat of the vehicle.  

Both occupants were extricated from the vehicle.  Grigsby sustained mortal injuries and was pronounced dead on the scene by members of the St. Leonard Volunteer Fire Department.  Demarr was transported to the Prince Georges County Shock Trauma Center by Maryland State Police Trooper 7. 

At the time of this press release Demarr remains in critical but stable condition. The preliminary examination of the vehicle indicated that safety belts were not being used by either occupant at the time of the collision.  

Cpl. V. Bortchevsky of the Calvert County Sheriff’s Office Crash Reconstruction Team (CRT) is conducting an investigation into the events that lead up to the collision.  Any additional information regarding this crash should be forwarded to Cpl. V. Bortchevsky of CRT at or (410) 535-2800.

On Sunday, June 20, at approximately 5 p.m., the St. Leonard and Prince Frederick Volunteer Fire Department and Rescue Squads responded to Shamrock Court in Port Republic for a reported serious auto accident.
Emergency crews arrived on the scene to discover a single vehicle with two injured adult male patients.

It appeared that the driver had been ejected from the car causing fatal injuries and was pronounced dead at the scene.

The passenger was critically injured and was treated on the scene then flown out by MSP Medavac Trooper 7 to Prince George's County Shock Trauma.

No word on the passenger's condition at this time.

Police continue to investigate.

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