I'm thinking that perhaps the problem was that the son wasn't on psychotropic meds.
That's part. Virginia has a big problem of lack of mental health facilities. Like many states, we let the jail/prison system deal with the mentally ill. Apparently Deeds situation highlights some of the problems. Meds can't always cure you and sometimes they make things worse.
Gun Control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound - Unknown
The problem is Empty People, Not Loaded Guns - Linda Schrock Taylor