Oklahoma City police are investigating a homicide in southwest Oklahoma City. Late Thursday night, police were called to a location in the 1400 block of SW 21st and found a man who was stabbed. He was taken to a hospital where he was pronounced dead. The man has been identified as 24-year-old Roger Lee Mairel of Oklahoma City. Police say investigators have yet to determine what led to the stabbing and there is no definitive suspect information at this time. Anyone with information should call the homicide tip line at 405-297-1200.