Jan 2021
Reducing Crime Through Environmental Design: Evidence from a Randomized Experiment of Street Lighting in New York City
Topics
Methodologies
This paper offers novel experimental evidence that violent crimes can be successfully reduced by changing the situational environment that potential victims and offenders face. We focus on a ubiquitous but understudied feature of the urban landscape—street lighting—and report the first experimental evidence on the effect of street lighting on crime.
Topics
Methodologies
Webinar: Overview of the City of Chicago’s Violence Reduction Dashboard
The Crime Lab hosted a webinar that explored the City of Chicago’s Violence Reduction Dashboard—a publicly available tool launched to support efforts to reduce gun violence through transparent, real-time data.
Unforgiving Places: The Unexpected Origins of American Gun Violence
Crime Lab Pritzker Director Jens Ludwig authored a book that argues the lack of progress in reducing gun violence ultimately stems from our having misunderstood the nature of the problem, and that behavioral science gives us a new way to understand – and solve – gun violence in America.
2025 End-of-Year Analysis: Chicago Crime Trends
Violent crime declined substantially in 2025 across the country, including in our home city of Chicago – which experienced 168 fewer homicides through mid-December 2025 compared to the same period last year.
Local Gun Violence Dashboards
Chicago’s Violence Reduction Dashboard, launched by the Crime Lab in 2021, is featured in a toolkit created by Everytown for Gun Safety Support Fund as a part of its Gun Violence Data Fellowship.
Latest Updates
Former NYPD Chief of Department Kenneth E. Corey Named Executive Director of the Policing Leadership Academy
CHICAGO, IL — The University of Chicago Crime Lab today announced that Kenneth E. Corey has been appointed Executive Director of its Policing Leadership Academy (PLA), a first-of-its-kind executive education program designed to help police leaders reduce gun violence and build trust in the communities they serve.
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
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.
