Wayne Cooper, 35, died about an hour after the shooting, which occurred at 1:30 a.m. in the 11600 block of Bellflower Boulevard, coroner and police officials said.
When officers arrived, they found Cooper had been shot several times, police said.
Anyone with information on the shooting is urged to call Downey police at (562) 904-2319.
City News Service contributed to this report.
