I will disagree with you whole heartily in regard to mental illness. it is your contention then that we do nothing to identify these types of people ... again I will say root cause, you guys will say hell it is all about guns ... and the killing will continue .. I don't buy into this crap that there is no money, well ya but we better find some because more and more people are seriously disturbed ... so we better do something cause that is the real cause ... the gun is the tool, yup get a national standard, we all agree .. but you want to know what caused this tragedy, it wasn't his glock, it was his illness that everyone who saw it coming did NOTHING about it .. and then it happened