Random violence is obviously a psychological problem. Every mass shooting has a link to psychiatric medication but medicine doesn't cause shootings any more than guns do. Yet we know that together there may be warning signs because number one in firearm deaths is not mass gun shootings, those are so rare they are big news, it is suicide. (1)
Discouraging gun purchases among people with major depressive symptoms may be an opportunity to diminish suicide risk while help is obtained.
A new cross-sectional survey found that people with moderate depressive symptoms were more likely to have recently purchased a first firearm.