I'll wait for it to get on YouTube...
But from the sounds of it, Virginia Tech may have even overreacted. I don't see mental health being a police issue... and if you summary is correct (?), he ended up harming no one in the end except himself.
Hell, I had the suicide po-po called on me last year by some "friends" of mine who thought I was depressed and wanted to kill myself because I insisted on going to bed early a particular weekend and not going out and drinking myself silly.
The point is, you can't micromanage peoples' lives. That's why we arm ourselves.