Pilot Mental Health Offender Program Improves Participant Outcomes and Lowers Costs in a Large Urban County.

Introduction: Mass incarceration, particularly of the mentally ill, continues to pervade our criminal justice system. Jails in many areas have become the largest mental health facilities, especially in large urban communities, despite increasing societal recognition that those with mental illness are not best served behind bars. Misdemeanors are an often-overlooked contributor to mass incarceration, and may be preventable for those with chronic severe mental illness.