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John Jay College Research and Evaluation Center

John Jay College Research and Evaluation Center

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Tag: evidence

June 1, 2026 JohnJayREC

Recidivism: Use with Caution

Measuring the outcomes of criminal justice interventions should include recidivism, but exclusive reliance on recidivism is ill-advised and potentially reckless.

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February 13, 2026 JohnJayREC

Community-Led Strategies to Reduce Gun Violence

Building the CVI evidence base for the future will require theoretically informed, intentionally causal evaluation studies.

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February 4, 2026 JohnJayREC

Harvard Kennedy School Webinar

Crime data can inform news reporting across many topics, from local government and legal affairs to economics and immigration. It’s important to know where to find reliable data and how to use it responsibly.

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October 14, 2025 JohnJayREC

Young NYC Detainees Sleep in Classrooms, Common Areas Amid Overcrowding, Lawyers Say

”What we never do is reflect back on ourselves to think, ‘Why are we having these problems and what do we do to prevent them from occurring in the future?’” Butts said.

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August 25, 2025 JohnJayREC

Crime Gone in a Week? The Politics Behind Trump’s Federal Crackdown

“He’s not really taking on street crime,” said Jeffrey A. Butts, a professor at the John Jay College of Criminal Justice in New York. “He’s using the crime issue for political posturing and political gain.”

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February 5, 2025 JohnJayREC

Vital City — Better Evidence, Better Policy

To enhance our impact on crime prevention, researchers should improve three things: 1) the questions we ask, 2) the data we use to answer them, and 3) the way we share our answers with communities. 

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