(from left) San Bernardino County deputies Mike Pardes, Chuck Nichols, Narcie Sousa, and Dan Berumen in the  series of active shooter on campus training
(from left) San Bernardino County deputies Mike Pardes, Chuck Nichols, Narcie Sousa, and Dan Berumen in the series of active shooter on campus training scenarios at Rancho Cucamonga High School. (Thomas R. Cordova/Staff Photographer)