Nov 2022

NADP CPD Directive

This CPD directive regarding NADP formally expanded the program to all districts across the City.

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Agent-Based Model of Combined Community- and Jail-Based Take-Home Naloxone Distribution

Dec 2024

This paper outlines the impact and cost-effectiveness of naloxone distribution, particularly for people facing criminal justice involvement.

Empirical Analysis of Prediction Mistakes in New York City Pretrial Data
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Policing Substance Use: Chicago’s Treatment Program for Narcotics Arrests – Working Paper

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This working paper sheds light on the effectiveness of diversion programs by showcasing Chicago’s drug diversion program success in reducing drug-related arrests.

Brookings Institution Commentary: Making the invisible epidemic visible
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Brookings Institution Commentary: Making the invisible epidemic visible

Aug 2023

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.

Latest Updates

Homicide rate declines sharply in dozens of US cities, a new report shows
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Jan 2026

Homicide rate declines sharply in dozens of US cities, a new report shows

The AP’s Claudia Lauer speaks with Crime Lab faculty director Jens Ludwig about the declining homicide rate in cities across the United States.

What it will take to fix American policing
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The Washington Post
Jan 2026

What it will take to fix American policing

Host Megan McArdle speaks with former New York City police commissioner William Bratton and former NYPD chief and new Policing Leadership Academy executive director Kenneth E. Corey about their work at the Academy and the program’s goals to reduce violence and improve fairness in policing.

Chicago’s Homicides Are Headed for Lowest Tally in 60 Years
Media Mention
Dec 2025

Chicago’s Homicides Are Headed for Lowest Tally in 60 Years

Kim Smith, the Crime Lab’s Director of National Programs, speaks with Bloomberg’s Miranda Davis about the 2025 declines in violent crime in Chicago.