Officers on patrol heard several gunshots in the area of Evans and E streets around 10:30 p.m. As they investigated, officers located the victim, who had sustained gunshots wounds to his upper torso.
The wounded man was taken to St. Bernardine Medical Center where he died a short time later. He was identified as Kameron Brandon Patterson of San Bernardino.
Police say Patterson did not live in the area where the incident occurred. They say he had just left a nearby apartment after visiting a friend.
No suspect information has been released. The motive for the attack is not known.
Anyone with information about this case was asked to contact Det. Steve Turner at (909) 384-5647 or Sgt. Gary Robertson at (909) 841-5361.