Right, so you rush the room and then don’t have a clean shot.
Then what?
I spoke to my former SRO friend after the shooting. Their protocol is get to the shooter at all cost. They do not stop and help injured, do not assist with evacuation. Get to the shooter ASAP. You find a way to stop him when you get there. That is why the Sheriff is so disgusted with the action the SRO took.
You’re trying to give exceptional examples to a general idea. There is training for scenarios. The idea is to stay safe and save as many lives as you can. I don’t have tome to explain every situation to you. I was a peace officer not a rangemaster