May 27, 2009 7:11 pm “Potomac Secret Agent” Alerts Md. Drivers to Speed Cameras A traffic vigilante who goes by the handle “Potomac Secret Agent” posted signs warning drivers about five speed cameras in Potomac over the weekend. Local 25:59 Protesters topple barriers at GW: The News4 Rundown 1:54 Fairfax County police investigate theft, attempted theft at jewelry store 0:32 Photo shows person riding on back of Metro rail car 2:01 DC police unit serves the deaf community 2:48 Speed camera installed near site of 2022 fatal high school pedestrian crash
