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Sheriff Robert Doyle
Marin County Sheriff's Office
1600 Los Gamos Dr #200
San Rafael, CA 94903
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Deputy Sheriff Ryan Zirkle was killed in a single vehicle crash when he responded to a 911 hang-up call. Deputy Zirkle lost control of his patrol vehicle as he entered a curve and went off the road and collided with a tree. Deputy Zirkle is the 8th law enforcement officer to be killed in a traffic-related incident and the third officer fatality from the state of California in 2018.