Perfectly aware of it...but policy does not mean much when nothing is done...if someone confronted people instead of hiding behind cameras less would happen...now this kid will not throw things at him and stupidity wait for his butt to be hit....
My policy is simple and care not for what someone thinks I should do... I would never leave a threat at my back and encourage my kids the same.... Sorry if they seem a threat then take them out do not leave them at your back... Will you get expelled or loss your job possible. But you will still be alive and kicking for those to happen. .... If someone is willing to throw something at you, then yes your life is in danger.