 Also says there isn't much you can do about it to prevent it. Happening today, the Tulsa County Sheriff's Office will host active shooter training at Berry Hill Elementary School. The Sheriff's Office is hosting trainers from Louisiana State University as they share the very latest in active shooter training with law enforcement agencies from across the Tulsa metro area. The Sheriff's Office says this is also an opportunity for agencies to train together so they're better prepared to respond together in an emergency.