The last elementary school mass murder was ten years or 800,000 total elementary school years ago. Before they happen the odds of these things happening at any given school are vanishingly rare.
Complacency creeps in, that day was an awards day with parents in and out, doors were left propped open, and at least one apparently unlocked.
There already was a safety protocol in place, people just weren’t following it.
‘Nother question is, was there even time for the first sighting of the gunman to translate into a lockdown message before he was at a classroom door. Were those three teachers warned at all?
"...if the gentlemen of Virginia shall send us a dozen of their sons, we would take great care in their education, instruct them in all we know, and make men of them." Canasatego 1744
