Community engagement is often cited as a tool to improve the health of the community and its members. This guide will review evidence related to leveraging community engagement to support the implementation and scale-up of evidence-based programs and policies.

This guide focuses on using medication-assisted treatment for opioid use disorder in jails and prisons and during the reentry process when justice-involved persons return to the community. It provides an overview of policies and evidence-based practices that reduce the risk of overdose and relapse.

This guide examines a wide range of evidence-based practices for screening and assessment of people in the justice system who have co-occurring mental and substance use disorders.