This report provides evidence-based practices for screening and assessment of adults in the justice system with mental illness, substance use disorders, or both. It discusses the importance of instrument selection for screening and assessment and provides detailed descriptions of recommended instruments.

This guide highlights the use of medication-assisted treatment (MAT) for opioid use disorder in drug courts. It reviews effective medications, including methadone, buprenorphine, and naltrexone. The guide also provides strategies to increase the use of MAT in drug court programs.