Authorities in Suisun City, California, are investigating a double homicide following a shooting incident on Sunday, May 18, 2026. Two individuals—a man and a woman—were found with gunshot wounds in a parking lot at the 1100 block of School Street. Both victims died; the man at the scene and the woman later in a hospital. No names or physical descriptions of the victims were released. According to police, the shooting may have stemmed from an argument involving three people, during which a firearm was drawn and discharged. No arrests have been made, and no suspect description is available at this time. The Suisun City Police Department is urging anyone with information to contact them at (707) 421-7373. Investigators have not yet identified a suspect or provided additional details about the ongoing probe.