Two other CHP officers were injured in the shooting, which erupted during a traffic stop on a street near Interstate 215 just after 5:30 p.m.
Moye was preparing paperwork to have the truck impounded when, according to authorities, the truck's driver grabbed a rifle from the truck and shot at Moye. Other law enforcement agencies, including Riverside police and the county sheriff's office rushed to the scene to assist after the officer needs help call went out. In the end, three officers (including Moye) were wounded, while two bystanders had minor injuries, CHP said.
Authorities said the suspect, identified by family members as Aaron Luther, was driving a GMC pickup truck when he was stopped by Moye.
"I said, 'Junior, are you alright?' and never heard back from him ...", Howard said. "He loved this job". "Our officer was struck during this gun battle".
"Our hearts ache over the tragic loss", Gov. Gavin Newsom tweeted, expressing his condolences for Officer Andre Moye Jr., 33.
The first officer was flown by a helicopter ambulance to a local hospital, where he died, Parker said. While waiting for a tow truck, the motorist, whose name has not been released, pulled a a rifle and opened fire. "Next thing I know, I called his dad, and I said, 'Hey, there's a shootout going and there's a CHP officer on a bike, ' and his dad said, 'It was him.' It was unbelievable".
At least two CHP vehicles had visible gunshot damage in the rear windshields at the scene. "I told my kids to get down and duck but they couldn't, their seatbelts were on", she said.
That will be part of a "very long" and "complex" investigation, Railsback said.
Dozens of rounds were fired in the melee, the Los Angeles Times reported.
Charles Childress, 56, a retired Marine from Moreno Valley, was in the vehicle behind her. The gunman, whose identity has not been released, was also killed, Victor Valley News reported.
Dozens lined up and saluted as the officer's flag-draped body was removed from the hospital and placed in a hearse.