Just after 11 a.m., Stockton officers discovered a 28-year-old shooting victim in the area of North Filbert and East Fremont streets.
The man was transported to a hospital in critical condition and later died.
The Stockton Police Department reports the suspect is a young black man who was wearing a black hooded sweatshirt and black pants at the time of the shooting. He was seen riding a bicycle. Homicide detectives have not uncovered a motive.
Stay with FOX40 for more updates on this developing investigation.