Late on Monday afternoon, September 22, 2025, patrol units responded to reports of gunfire on the 700 block of South San Joaquin Street in Stockton. Officers found 73-year-old James Oscar Leyva suffering at least one gunshot wound; he was taken to a nearby hospital and died of his injuries. Authorities later narrowed the time of the shooting to about 4:16–4:20 p.m. and the San Joaquin County Medical Examiner identified the victim as James Oscar Leyva of Stockton.

Police cordoned off the block and homicide detectives opened an active investigation, seeking witnesses, evidence, and a motive. No arrests have been announced, no suspect has been publicly identified, and no suspect description has been released. If anyone saw activity on that stretch of South San Joaquin Street around 4:15–4:30 p.m. on September 22, or has other information, please contact Stockton detectives or submit a tip through Crime Stoppers.