because you know they are going to do this section by section of at school. you only have so many officers being allowed inside the school and you see where that yellow school buses, you have law enforcement personnel that are right there on the lawn so they no longer believe there is an active shooter inside the building because you can see them kind of milling about. they are not in defensive positions so that's one thing you kind of take off the table. the next thing is you have to go in there and unit by unit, building by building, class by class, they have to clear these areas to make sure that everybody is okay. the students of course are sheltering in the class and the law enforcement will come and identify themselves when they get to that class, take it out and take the students out portion by portion and then the students who happen to be outside will get a chance to go around and won't be allowed inside the building and they will be taken first. he looked at the whole totality of this and you can see that it's an all-hands-on-deck scenario. you got fire trucks, numerous