Mental illness and substance abuse increase the risk of violence / Richard A. Friedman -- Mental illness and crime cannot be compared due to varying definitions / Herschel Prins -- Criminals know right from wrong, regardless of mental illness / Stanton E. Samenow -- Violent people should be treated as criminals rather than as patients / Peter Breggin -- The mentally ill are kept in prisons due to inadequate health services / William Kanapaux -- Psychiatric hospitals are not equivalent to prisons / Joanmarie Ilaria Davioli -- The mentally ill are mishandled by the justice system / American Civil Liberties Union -- The plea not guilty by reason of insanity should remain valid / Mental Health America -- Insanity should be a medical, not a legal, determination / Dirk Olin -- Television dramas lead to discussion of mental health and crime / Rachel Gans-Boriskin and Claire Wardle.