We should be looking into motive and psychological makeup, was the person on antidepressants for example? I feel all of those non religious based mass shootings

We should be looking into motive and psychological makeup, was the person on antidepressants for example? I feel all of those non religious based mass shootings were done by regularly medicated people - they were normal for years and all of a sudden snapped... more needs to be done testing long term effects of medications designed to change peoples brains...