Case after case demonstrates that mass shooters knew exactly what they were doing. Mass shootings are deliberate. Psychopathy, Not SchizophreniaThe psychiatric profile of many mass shooters fits psychopathy or antisocial personality disorder more closely than schizophrenia. The Hard TruthIt is comforting to believe that mass shooters must be insane. It is our responsibility to reclaim the truth: psychiatric illness does not explain mass shootings, and blaming our field only undermines care for those who desperately need it.