Dayton James Webber is accused of fatally shooting a passenger in his vehicle. A Maryland man who is a quadruple amputee cornhole champion is facing murder charges for allegedly shooting and killing someone in his vehicle, authorities said. Dayton James Webber, 27, is accused of fatally shooting the front seat passenger of his vehicle during an argument in La Plata, Maryland, on Sunday and then fleeing to Virginia, according to the Charles County Sheriff's Office. The victim -- identified as 27-year-old Bradrick Michael Wells -- was found dead in a yard in Charlotte Hall, Maryland, according to the sheriff's office. Two people who were in the back seat of the vehicle witnessed the deadly shooting, the sheriff's office said. Webber allegedly asked them for their help in disposing of the body, but they refused, got out of the car, left the scene and ultimately flagged down officers with the La Plata Police Department, authorities said. The witnesses reported the shooting shortly before 10:30 p.m.…