Inclusion Criteria:  Intelligence quotient (IQ) greater than 70 18 years old or older Reading level of 5th grade or higher stable medication use (same medication for at least one month) able and willing to participate in group therapy  Exclusion Criteria:  history of verbally or physically abusing another inmate (per Department of Corrections (DOC) conduct records) scheduled transfer or release within 12 weeks (or during duration of intervention) current untreated psychosis or dementia