Investigators say all four men were shot in a drive-by shooting in the 13100 block of South Broadway at 12:23 a.m. Monday. One man was pronounced dead at the scene.
Three men were rushed to a local hospital. One of the survivors is in critical condition, and the other two are in stable condition.
Police say the suspects may be gang affiliated, but they do not believe the victims were connected to any gangs.
The suspect vehicle was described as a light-colored four-door sedan and was last seen driving northbound on Broadway. Anyone with information is urged to call the L.A. County Sheriff's Department at (323) 890-5500.