Garfield county deputy, Lloyd Cross, gives an A.D.D. (Avoid, Deny, Defend) class to Kremlin-Hillsdale teachers Wednesday February 13, 2019 at Kremlin-Hillsdale High School. A.D.D. is an easy-to-remember three step plan for survival in the event of an active shooter event or other public acts of violence. (Billy Hefton / Enid News & Eagle)