By: News 9 A 17-year-old boy was killed Wednesday in a southwest Oklahoma City shooting. Marlon Carter, 17, was found dead at a home in the 2800 block of Meadow Cliff Drive near SW 74th and May Avenue. Police were called about 5:05 p.m. Wednesday after the boy collapsed on a porch, looking for help. When officers arrived, the boy was dead. Investigators are not sure what led up to the shooting. So far, no arrests have been made. Anyone with information about the death is asked to call the homicide tip line at 405-297-1200.