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 offers guidance and tools for identifying mental illness or substance use issues early in children and adolescents in various setting, such as in schools, the juvenile justice and child welfare system, and when receiving primary care.