Inside Michigan State Police's active shooter simulation training ahead of back-to-school

As kids prepare to go back to school, law enforcement is preparing for any potential active shooter situations. According to the K-12 Schools Shooting Database, the past school year had 11 active shooters inside schools in America, including November's shooting at Oxford High School where four students were tragically killed. There was also May's shooting in Uvalde, Texas where 19 students and two teachers were killed. We wanted to know what goes into the split-second decision officers have to make in those critical moments when there is an active shooter, so we looked at the training law enforcement agencies go through to prepare for an active shooter.