This was textbook and how most police are trained. We are trained if we don't hear active shooters we start by going room by room clearing them looking for the suspect which is exactly what the first 3 cops did. We are trained to step over injured and those asking for help and go to the source of the shooting. Once you hear the shooting start again, you go to the sound and eliminate the threat which is exactly as these cops did. They all had great communication and you could tell they were well trained. Beautifully executed!! Well done to everyone involved!!As much as I call out LEO when I think they are wrong. I always want to applaud them when they do right @Hawkman98 These LEO acted admirably. I know if I was in that situation, my adrenaline would have been so high, that I might have a heart attack after it was all done.