Authorities in Marina are investigating a Friday shooting as a possible murder-suicide. Marina Police officers responded to the Motel-6 on Reservation Road, after receiving reports of shots fired. Officers found a man in the parking lot with a gunshot wound to the head. He was airlifted to a san jose trauma center. A woman was found in a motel room, and was pronounced dead. 2-children were placed in protective custody. The investigation is on-going.