The Brief Vallejo police said officers fatally shot a suspected armed carjacker after the driver allegedly opened fire during a traffic stop Monday afternoon. A carjacking suspect was shot and killed by Vallejo police Monday afternoon after allegedly opening fire on officers during a traffic stop, authorities said. Armed carjacking led to traffic stopWhat we know:According to Vallejo Police Department spokesperson Sgt. Rashad Hollis, the incident began around 12:19 p.m. after officers received a 911 call reporting an armed carjacking on Ryder Street. Officers later located the suspected vehicle near Mahogany Drive and Broadway, where they initiated a traffic stop.