The Portland Police Bureau began investigating a homicide in South Portland after a vehicle crash and report of gunfire in the early hours of Tuesday, Aug. 4. (File photo)Law enforcement officials released the identities of the suspect and victim in a fatal shooting in South Portland four days after the incident. The Portland Police Bureau began investigating a homicide near the South Waterfront after a vehicle crash and reports of gunfire in the early hours of Tuesday, Aug. 4. After the shooting, Portland police began investigating the incident as a homicide. The agency announced Aug. 8 that the suspect was identified as Mahmoud Said Ali, 42, of Portland.