BRANDYWINE, Md. (WJZ) — Police in Prince George’s County are hoping the public can help them find the driver involved in a fatal hit-and-run in Brandywine Wednesday morning.

Officers were called to McKendree Road and Accokeek Road for a welfare check and after a 911 caller said there was an unresponsive man on the ground.

An off-duty EMS Captain with DC’s Fire Department was on his way to work when he drove past the scene. He stopped and began CPR on the man while Prince George’s County first responders got to the scene.

Officers determined Guillickson was suffering from trauma to his body

The man was taken to an area hospital where he was pronounced dead.

Police have identified the victim as 39-year-old John Guillickson of Accokeek.

Police said Guillickson was riding his bike northbound on McKendree Road when he was struck by a vehicle from behind. The vehicle did not stop and left the scene.

They say the car likely has front-end damage.

At this time, police don’t have a description of the suspect vehicle.

Detectives are working to identify the driver. If anyone can assist investigators to identify or locate the driver of the striking vehicle, they are asked to call 911 or 301-731-4422. Callers wishing to remain anonymous may call Crime Solvers at 1-866-411-TIPS (8477); online at or the “P3 Tips”


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