Deputy Al E. Stewart died on March 9, 1973 in the Cajon Pass just north of the city of San Bernardino. Deputy Stewart had responded to the Cajon Pass to assist CHP Officer Larry Wetterling, who had been fatally shot by a motorist. As Stewart was searching for this murder suspect, Stewart himself was shot and killed by the same suspect who killed Wetterling. Stewart gave his life to assist another officer.