Had a fellow earlier today try to tell me about how we need to preempt the insane people better, and then went on to lump in those diagnosed with PTSD. My reply to him...
"You mean like me? I was diagnosed with it. It manifested as depression, anxiety and lethargy. It did not, however, affect my moral or ethical reasoning. You should not conflate all incidences of PTSD to be those showing uncontrolled violent tendencies."
...that put the brakes on him rather quickly.
Exactly.
The thing is, our society has a lot more emphisis on pyshcological health. Which means almost everyone has at least a pysch evaluation collecting dust in a docters office somewhere.
The fact that we specifically know these murderers have recorded mental illnesses and have received treatment for such, either currently or previously, is not a shocking piece of information in a culture that places such emphisis on mental health and diagnosis, because it just doesn't mean anything special anymore. I would guess the majority of people in this country have had some sort of treatment for metal illness.
What should be more intresting is that, despite the prevalence of such assisments and supposed understanding, we seem to have more such incidences of violent attacks like this rather then less. The advances in the feild of psycology don't seem to be relivent at all in the prevention of such crimes.