Wu fled in a silver SUV.
Police are not releasing the names of the victims.
Nearby businesses were placed on lockdown, but employees have since been allowed to leave.
Triple Murder at Santa Clara Office Park
SANTA CLARA, CA Santa Clara police are searching for Jing Hua Wu, who they believed entered the office shortly before 4 p.m. and opened fire, killing two men and one woman. Wu is believed to be a former employee that was recently laid off.
