A hit-and-run driver killed Adam Emmanuel Douglas, a 24-year-old man from Clinton, on Monday night in Accokeek, Prince George’s County. Police officers responded to the scene at the 14700 block of Livingston Road around 11 p.m. They found that Douglas had been struck by a vehicle that was heading northbound on Livingston Road. The driver did not stop and fled the scene. Douglas was rushed to the hospital, but he died shortly after. Police are still looking for clues to identify the vehicle and the driver involved in the fatal crash.