Emerging issues with mentally ill offenders: causes and social consequences.

Persons with mental illness and co-occurring substance abuse disorders are incarcerated at disproportionately high rates in comparison to the general population. Reasons may include high standards for involuntary commitment, an overall increase in substance abuse and the policy of deinstitutionalization. However, one significant reason may be that psychiatric institutions serve a social control function, which has not been appreciated by policymakers and program developers since deinstitutionalization. This paper presents provider views of the population and issues of concern for clients, families, and the agencies. Discussion includes service-provider response to the population, new program models, and implications for policymakers.