From: Facebook
If someone has a history of any kind of violent or assaultive
behavior, that's actually a better predictor of future violence than
having a mental health diagnosis.
Mental illness is a strong risk factor for suicide. It's not a strong
risk factor for homicide.
... overall risk factors for violence: being young, male, socially
disadvantaged, and involved with substance misuse
http://www.propublica.org/article/myth-vs-fact-violence-and-mental-health
www.peoplewho.org