This brochure provides an overview of the Sequential Intercept Model (SIM). The SIM is a strategic planning tool that helps communities better understand the gaps and resources they have in helping those with mental illness or substance use disorders who are in the criminal justice system.

This manual introduces a concept of trauma and offers a framework for becoming a trauma-informed organization, system, or service sector. The manual provides a definition of trauma and a trauma-informed approach, and offers 6 key principles and 10 implementation domains.