April 23, 2013 6:34 am Off-Duty Officer Killed in Upper Marlboro, Search Underway for Suspect An off-duty police officer was shot and killed in Upper Marlboro Monday night, and police are still seeking his killer. News4’s Megan McGrath reports. Local 2:20 Driver accused of deadly hit and run of skateboarder held without bail 0:44 At least 5 shot along Connecticut Avenue in Dupont Circle 3:04 George Washington students protest war in Gaza despite suspension warning 2:27 Curfew for teens at National Harbor is in effect 30:04 Pro-Palestinian protests continue on college campuses: The News4 Rundown