Investigator Dierkes was struck and killed by a drunk driver. The drunk driver crossed the center line and struck his department vehicle head-on.
Investigator Dierkes had been with the agency for almost three years and was survived by his wife.

Officer Arthur E. Dunn had just radioed Redding Dispatch that he was bringing in a prisoner he had arrested for drunk driving. When Dunn failed to arrive an hour later or respond to radio contact, his beat partner started a search. Dunn’s patrol car was discovered over an embankment where it had plunged after the prisoner shot the officer with a small caliber handgun he had concealed. Dunn’s killer escaped by kicking out the patrol car’s rear window but was captured nearby. Officer Dunn, 43, was a 14-vear CHP veteran and had been assigned at the Burney Resident Post for 10 years.

Officer Dunn was born on February 18, 1934 and joined the patrol in March 1963 and upon graduation from the academy he was assigned to West Los Angeles Area on July 5, 1963. State Route 89 between mile markers 36 and 41 in Shasta County was dedicated in his memory on November 4, 2002.

Officer Edward A. Parker III was found slumped over the wheel of his patrol car after suffering a heart attack following the pursuit of a speeding motorcyclist in Riverside. Parker was rushed to the hospital but suffered two more heart attacks and died. Officer Parker, 33, was an 11-year veteran of the CHP.