TAMPA — A man was killed Sunday night in a shooting at an apartment complex. According to police reports, witnesses called to describe multiple gunshots just before 11 p.m. at the Columbus Court Apartments complex at the corner of Columbus Drive and N Rome Avenue.Police identified the victim as Reginald Atwell Hightower, 28, who was shot in the upper body. He later died at an area hospital.Witnesses said four men wearing masks left the scene in a minivan. Police were searching for those four people Monday morning.The shooting remained under investigation Monday morning. Police said the victim did not appear to have been chosen at random.