June 30, 2016 6:20 pm Police Investigate Motive in Md. Triple Murder Case Prince George’s County Police are searching for a motive in a triple murder in District Heights. News4’s Chris Gordon reports. 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