Santa Cruz County sheriff’s Sgt. Damon Gutzwiller, left, was killed in the line of duty Saturday, June 6, 2020, in Ben Lomond after responding to a report of a suspicious van that had guns and explosives inside. Air Force Sgt. Steven Carrillo is being held in connection with the death of Gutzwiller and the wounding of another deputy. Authorities are also investigating Carrillo in connection with the Oakland killing of a security guard. (Photos courtesy of the Santa Cruz County Sheriff’s Department)