So, sounds to me the college pretty much did all they COULD do,
  but I'm sure even they had no idea that it would lead to this.
  Randomized/semi-focused killing sprees are not something
  99.9999% of the population does, even though it seems that way
  sometimes -- and there's probably very very few individuals on
  the planet who are truly capable of predicting who WILL be a
  killer, versus who MIGHT but probably won't be a killer. "