Retired Metropolitan Police Detective Mourned After Being Killed by Impaired Off-Duty Prince George’s County Officer, Investigation Ongoing

July 13, 2025

On Monday, July 7, 2025, Maryland State Police responded to a fatal crash that occurred in Prince George’s County.

The deceased is identified as Carlton Herndon, 56, of Clinton, Maryland. Herndon was pronounced deceased on the scene by emergency medical service personnel from Prince George’s County.

Shortly before 8:40 p.m., Monday night, Troopers from the Forestville Barrack responded to a crash on northbound Route 301 at Missouri Avenue.

The on-scene preliminary investigation indicates Herndon, the driver of a Nissan Maxima, was attempting to cross Route 301 and entered the travel portion of Northbound 301 when it was struck by a Ford F-250 truck. The driver of the truck, Anthony Coleman, 34, of Upper Marlboro, was traveling on Northbound Route 301 at Missouri Avenue.

Police believe speed and alcohol were contributing factors in the crash on the part of the Ford.

Coleman refused medical treatment at the scene.

The Maryland State Police Crash Team is leading the active and ongoing investigation. Witnesses of the crash are urged to contact police at 301-392-1231.

The investigation continues.

Coleman has been placed on administrative leave, pending the outcome of the investigation.