See the new Violence Reduction Clearinghouse from the Bureau of Justice Assistance

See our new joint publication offering a broad examination and assessment of civilian oversight of law enforcement in the U.S. recently reached an evaluation milestone.

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!

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About the Diagnostic Center

The Department of Justice (DOJ) Office of Justice Programs (OJP) Diagnostic Center is a technical assistance resource designed to provide local leaders with customized training and technical assistance in addressing persistent and emerging public safety problems using evidence-based...

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.

Building Community Trust

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 understand persistent criminal justice challenges and create customized solutions to address them. The Diagnostic Center employs a practice-based research model to address a wide range of justice topics ranging from human trafficking and...

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...