The next sentence ......
"Yet no person who commits a mass shooting is, in a basic sense, mentally healthy."
The guy shot his grandmother in the face to start.
Ted Cruz literally said we need to go after felons and the mentally ill. I heard him. I guess he forget to mention Muslims? /s Of course his party wants to make homelessness a felony. /s
Maybe Republicans want to fully fund mental health care?
From what I can gather, serial and rampage killers are associated with personality disorders, not the same thing as psychoses. A fine point to a layperson or politician?
iirc, they tend to be narcissistic, paranoid, and lacking in empathy. Some are prone to fits of uncontrolled rage.
I have an acquaintance who reportedly has used compassion cultivation and insight meditation with moderate success to treat sociopathy, psychopathy, and borderline disorder.