....people with SMI are actually at higher risk of being victims of violence than perpetrators. Teplin et al found that those with SMI are 11 times more likely to be victims of violent crime than the general population.ii
The most common form of violence associated with mental illness is not against others, but rather, against oneself. In 2007, the most recent year for which we have statistics, there were almost 35,000 suicides, nearly twice the rate of homicides. Suicide is the 10th leading cause of death in the United States.iii Although it is not possible to know what prompted every suicide, it is safe to say that unrecognized, untreated mental illness is a leading culprit.
via nimh.nih.gov