Power Up Radio with Dr. Pat: Unleashed, Unshaken, Unstoppable: Scapegoating Mental Illness-PT 2: What Part of Terror Doesn't Washington Understand

"Study after study has shown us that is simply not true. It’s actually more often the reverse," he said, in that people living with mental illness are far more likely to be victims of violence than perpetrators.

"Racism, hate, white supremacy are not diagnosable mental illnesses." USA-Today

Arthur Evans, the CEO of the American Psychological Association, the largest professional and scientific organization of psychologists in the United States, said it's important for people to understand that there is a fairly weak link between mental illness and mass shootings.