Just ask a cop. Ask them if, during a hostage or live shooter situation, if they are not directly taking fire, they are supposed to 'investigate' or if they are supposed to wait for SWAT.
This deputy thing is just a distraction for the public.
The real question should be, why was there a ACTIVE SCHOOL SHOOTER DRILL being conducted that very day, with students told they would be hearing actual rifle fire, and why is none of the media mentioning it ?
WHO was conducting the SHOOTER DRILL ?
Everything you say may well be true. I am simply saying I disagree with it. I have taken Active Shooter training, and I disagree with it completely.
If it were your kid inside the school, and shots were being fired and kids killed in there, would you say men with shotguns should sit outside and set a perimeter and wait?
Of course you wouldn’t.