Mental Illness and Legal Intervention -- Sexual Predator Statutes and the Fragmented Structure of Mental Health Law -- Sexual Predators -- Sexual Predator Statutes -- Police Power Civil Commitment -- Parens Patriae Civil Commitment -- Civil Incompetence and Guardianship -- The Supreme Court on Civil Commitment -- Recent Cases: Foucha to Hendricks -- Early Cases: Jackson to Jones -- Legally Significant Mental Illness -- Sexual Predator Statutes: Mental Abnormality or Personality Disorder -- Ellen and Francine -- A Formal Conception of Legal Mental Illness -- Legal Mental Illness: Ellen and Francine -- Civil Commitment and Eligibility -- Parens Patriae Intervention -- Normative Structure I -- Ellen Revisited -- Conflicts Among Values in Mental Health Law -- Patient-Centered Health Care and the Right to Informed Consent -- Difficult Parens Patriae Cases for Mental Health Law -- Parens Patriae Interventions and the Legal Institutions of a Liberal Society -- Incompetence and Commitment -- Ellen, Competence, and Commitment -- Incompetence for Person and Parens Patriae Commitment -- Incompetence Within Civil Commitment -- Parens Patriae Intervention and Treatment Appropriateness -- The Right to Refuse Care -- Contemporary Civil Commitment and the Right to Refuse -- The Right to Refuse Treatment -- PJS -- Parens Patriae Interventions: Admission and Treatment -- Applications -- Police Power Intervention -- Normative Structure II: The Police Power -- Police Power Commitment and the Sexual Predator Statutes.