September 4, 2015 12:00 pm Marine Killed in Helicopter Crash Was From Va. The Marine killed during a helicopter ropes training exercise was a staff sergeant from Warrenton, Virginia. Local 2:37 Police find 10 card skimmers in Prince George's County in less than a month 1:57 Man shot, killed near Potomac Ave Metro station in Capitol Hill 26:02 GOP House members visit pro-Palestinian encampment at GW: The News4 Rundown 2:02 Man on trial for murder claims he shot construction workers in self-defense 4:28 After-action report describes flaws with District Dogs flood response