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Psychiatr Serv. 1998 Apr;49(4):483-92.

Persons with severe mental illness in jails and prisons: a review.

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Department of Psychiatry, University of Southern California School of Medicine, Los Angeles 90033, USA.



The presence of severely mentally ill persons in jails and prisons is an urgent problem. This review examines this problem and makes recommendations for preventing and alleviating it.


MEDLINE, Psychological Abstracts, and the Index to Legal Periodicals and Books were searched from 1970, and all pertinent references were obtained.


Clinical studies suggest that 6 to 15 percent of persons in city and county jails and 10 to 15 percent of persons in state prisons have severe mental illness. Offenders with severe mental illness generally have acute and chronic mental illness and poor functioning. A large proportion are homeless. It appears that a greater proportion of mentally ill persons are arrested compared with the general population. Factors cited as causes of mentally ill persons' being placed in the criminal justice system are deinstitutionalization, more rigid criteria for civil commitment, lack of adequate community support for persons with mental illness, mentally ill offenders' difficulty gaining access to community treatment, and the attitudes of police officers and society. Recommendations include mental health consultation to police in the field; formal training of police officers; careful screening of incoming jail detainees; diversion to the mental health system of mentally ill persons who have committed minor offenses; assertive case management and various social control interventions, such as outpatient commitment, court-ordered treatment, psychiatric conservatorship, and 24-hour structured care; involvement of and support for families; and provision of appropriate mental health treatment.

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[Indexed for MEDLINE]

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