Feb 2024

Empirical Analysis of Prediction Mistakes in New York City Pretrial Data

Jens Ludwig
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This paper evaluates the impact of diverting individuals who possess drugs away from arrest and into substance use treatment in Chicago between 2010-2022.

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Using new data from a large urban trauma center in Chicago, we document substantial under-reporting of domestic violence at the time of receiving medical care.

Video about the Narcotics Arrest Diversion Program
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Video about the Narcotics Arrest Diversion Program

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This video provides an overview of the Crime Lab’s evaluation of the Narcotics Arrest Diversion Program, a program implemented by the community behavioral health provider Thresholds.

Latest Updates

The Alumni Dispatch: Leveling Up with the CVILA
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The Alumni Dispatch: Leveling Up with the CVILA

Community Violence Intervention Leadership Academy (CVILA) Program Manager Alesisia Cobb sat down with alumni DuJuan “Zoe” Kennedy (Cohort 1), Tracie Campbell (Cohort 2), and Rahaman Kilpatrick (Cohort 3) to discuss the ways their CVILA experience has contributed to their professional growth.

We’ve Been Thinking About Gun Violence All Wrong
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TIME
May 2025

We’ve Been Thinking About Gun Violence All Wrong

Jens Ludwig, Crime Lab Pritzker Director and author of “Unforgiving Places: The Unexpected Origins of American Gun Violence,” pens an op-ed for TIME Magazine arguing that the root cause of gun violence is not what we think it is — rather than a deliberate, rational act, most shootings start with arguments that escalate and end in tragedy because someone has a gun.

The Indicator from Planet Money: What we misunderstand about gun violence
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The Indicator from Planet Money: What we misunderstand about gun violence

Crime Lab Pritzker Director Jens Ludwig joins NPR’s The Indicator from Planet Money podcast to discuss why he believes many of us fundamentally misunderstand the problem of gun violence and how behavioral economics reveals some potential solutions.