According to the Bureau of Justice Statistics Special Report on Mental Health Problems of Prison and Jail Inmates published in 2006, 56% of state prisoners, 45% of federal prisoners, and 64% of jail inmates had a mental health problem. ¹ Studies suggest that up to 15% of persons in city and county jails and state prisons have severe mental illness. ² A study by Steadman and colleagues published in 2009 evaluating the prevalence of serious mental illness (defined as major depressive disorder; depressive disorder not otherwise specified [NOS]; bipolar disorder I, II, NOS; schizophrenia spectrum disorder; schizoaffective disorder;