A laid-off worker returned to his former office in Northern California and fatally shot three people, police said on Friday. Santa Clara Police Lt. Mike Sellers said the shooting happened just before 4 p.m. Friday at an office complex on Scott Boulevard. The victims are two men and one woman. Santa Clara police were searching for 47-year-old Jing Wu after the shooting Friday afternoon. They won't release the name of the company that had apparently laid him off.