 Then, in 1999, what was previously thought unthinkable happens. Two gunmen are inside that school right now, so the exercise is to get the police. But in the meantime, we've got some sound from students who are on that scene. Again, the most severely we've heard is a girl who was shot. The school mass shooting solidifies the idea that every officer, everywhere, needs a rifle in his trunk. The active shooter threat is now born.