There is a $550,000 warrant for Borquez' robbery and weapons charges. The sidearm used in the robberies, a Tech 9, has yet to be recovered.
Borquez is described as 19, 5 feet 11 inches and 175 pounds with brown hair and eyes.
Anyone with information as to the whereabouts of Borquez is encouraged to contact any local police department, or to call Det. Josh Ehling at 510-790-6900.