Such nonsense...they needed to do their job long before he came of age to buy firearms. If they had dealt with the whackjob years before, we wouldn't be here discussing this.
And what could they have done that would have actually prevented him from getting weapons and taking them to school? Have you ever been involved with trying to commit someone for being a danger to themselves and others under current “Let the loonies do as they wish” laws? I have and it’s next to impossible as long as they are able to communicate.