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An official website of the United States government, Department of Justice.

NIJ "Five Things" Series

The "Five Things" series distills what we know from years of rigorous scientific inquiry. It summarizes an abundance of research, analysis, testing and evaluation so you can see how science applies to the decisions you make every day in the field.

Use the Five Things to advance justice and safety in your communities, give your decisions greater impact, and lower your costs overall. Read the Five Things or learn more about the research behind them:

Date Published: October 30, 2023