Mental illness is not, by itself, a predictor of future violent behavior against others. Even people suffering from severe forms of schizophrenia or bipolar disorder are not any more likely than the average person to carry out a shooting or other violent act — provided they do not possess other high-risk factors, such as substance abuse or childhood trauma. But that's not the message portrayed in news coverage of the mentally ill. A new study published Monday in the... (GunPolicy.org)