Officers went to the 200 block of Marin Street on reports of the shooting at about 1:33 p.m. Police located Vallejo resident Ronnell B. Rucks unconscious and suffering gunshot wounds.
Rucks is the city's sixth homicide victim of the year.
On June 19 Charles L. Chandler II, a 19-year-old resident of the city, was shot and killed in the 200 block of Maine Street by the Marina Vista apartments.
Anyone with information regarding the Friday shooting is asked to call Detective Melville or Sgt. Bartlett at (707) 648-4524. To remain anonymous, call the Vallejo Crime Stoppers tip line at (707) 648-4524.