How is Washington County, Oregon enhancing its system-wide collaborative processes to identify, intervene and prevent the commercial sexual exploitation of children?

In 2014, the city of Rockford, Illinois invited us to assess the area’s violent crime, heroin abuse and community-police relations. What was the outcome of our year-long assessment?

What is the impact of offender profiling on burglary arrest rates?

Check out our new fact sheet, designed to give you an overview of the Diagnostic Center and our role in the National Initiative for Building Community Trust and Justice! provides rigorous research about what works in criminal justice, juvenile justice, and crime victim services

About the Diagnostic Center

The Office of Justice Programs (OJP) Diagnostic Center is a technical assistance resource designed to help state, city, county and tribal policymakers and community leaders use data to make decisions about criminal justice programming.

What is an Evidence-Based Program?

The Office of Justice Programs (OJP) considers programs and practices to be evidence-based when their effectiveness has been positively demonstrated by causal evidence, generally obtained through one or more outcome evaluations.

National Initiative

The National Initiative for Building Community Trust and Justice (National Initiative) is a multi-faceted approach to rebuilding community trust in the justice system. Designed to strengthen the relationship between law enforcement and the communities they serve, the National Initiative focuses...

Evidence Translation in the News

The OJP Diagnostic Center recognizes state, local, and tribal communities that are making strides to identify and implement evidence-based programs and best practices in criminal justice, juvenile justice, and victim services. These communities increase awareness of the importance of considering...

How Can We Assist You?

The Diagnostic Center works closely with communities to diagnose their unique public safety challenges and implement data-driven programs tailored to minimize future risks and enhance community strengths. Founded on a practice-based research model, the Diagnostic Center utilizes criminal justice...

Other Resources

The Office of Justice Programs (OJP) is committed to advancing the criminal justice field by supporting the integration of evidence into programs, policy decisions and practices within the Department of Justice and throughout the broader criminal justice community. Criminal justice and public...