The driver refused to stop and the CHP followed the man to Temecula, about 20 miles south of Hemet, and requested help from the Riverside County Sheriff's Department.
Sheriff's spokesman Dennis Gutierrez said the suspect's truck had either lost or stolen license plates.
The man drove onto the Keyways Vineyard and Winery at 37388 De Portola Road, where he sped up toward a deputy's squad car near the entrance to the winery. The deputy responded by opening fire, killing the driver.
The deputy is an eight-year law enforcement veteran and has spent the last four years with the Riverside County Sheriff's Department, according to Gutierrez. It is not clear if he has been placed on leave.
The suspect's identity has not been released.
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