That’s been an open question - what was the armed guard doing during the attack? Can understand if he were on the other side of the campus or something - did he know it was happening and try to intervene?
Also - is he a trained law enforcement officer or a rent-a-cop?
Media has been too busy crying “Blood!” to delve into these things. Is this information going to come out, or will it be another Vegas?
The Kids need to be taught that they are responsible for their own safety.
It takes a village, not a bureaucracy.