June 23, 2010 6:52 pm Union: Rule Limited Slain Trooper's Power to Arrest Slain Maryland State Trooper Wesley Brown couldn’t arrest the man accused of killing him because of limited off-duty arrest powers. Local 1:48 DC police search for gunman who shot and killed 3-year-old child 1:11 What to do if you see a black bear 1:56 3-year-old child shot in Southeast DC 26:00 DC student grazed by gunfire while in class: The News4 Rundown 2:07 Program gives returning citizens second chance — and opportunity to pay it back