A Gallup poll reported in September 2013 that 80 percent of Americans blamed mass shootings on a failure of the mental health system to identify individuals who are a danger to others. Through objective discussion, numerous direct quotes, and full-color illustrations this title examines What Are the Origins of Concerns About Mental Illness and Crime? How Strong Is the Link Between Mental Illness and Crime? What Role Does Substance Abuse Play in Mental Illness and Crime? Should Mental Illness Be a Defense Against Criminality? Could Better Mental Health Care Prevent Violent Crime?