27 dead in school shooting

  1. If you’re about to shoot up a school and you know there is an armed guard there, he simply becomes your first target
  2. what if the shooter is happy with ~10 people dead, so he just goes in the other end of the school and kills his targets before taking his own life or waiting for the security guy to run over (if left alive)
  3. what schools are going to have these guards? Colleges? Highschools? Middle? Elementary? Kindergarden? ALL of them? Where would you stop? Regardless of this shooting an armed guard in front of a kindergarden/elementary school is ridiculous.