Jan 2021

Reducing Crime Through Environmental Design: Evidence from a Randomized Experiment of Street Lighting in New York City

Lucie Parker Aaron Chalfin

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.

Related Resources
Economic Club of Chicago- Chicago’s Safety Snapshot: Issues and Opportunities
Presentation

Economic Club of Chicago- Chicago’s Safety Snapshot: Issues and Opportunities

Sep 2023

These slides were presented by the Crime Lab at a forum hosted by the Economic Club and Commercial Club of Chicago.

Violence Reduction Dashboard
Dashboard

Violence Reduction Dashboard

Jul 2023
Webinar: Overview of the City of Chicago’s Violence Reduction Dashboard
Video

Webinar: Overview of the City of Chicago’s Violence Reduction Dashboard

Jul 2023

Launched in May 2021 by the City of Chicago, with design and technical support from the Crime Lab, the Dashboard is a first-of-its-kind comprehensive tool that allows unfettered public access to city violence trends categorizable by victim type, date, and geographic area.

Machine Learning Can Predict Shooting Victimization Well Enough To Help Prevent It
Academic Paper

Machine Learning Can Predict Shooting Victimization Well Enough To Help Prevent It

May 2023

This National Bureau of Economic Research Working Paper shows that shootings are predictable enough to be preventable.

Latest Updates

Second Chance Month: Centering Lived Experience in Violence Intervention
Media Mention
National League of Cities
Apr 2024

Second Chance Month: Centering Lived Experience in Violence Intervention

In recognition of Second Chance Month, the National League of Cities’ Maryam Ahmed and Kirby Gaherty write about the importance of centering “credible messengers”—people with lived experience in the justice system—to advance community safety and highlight the Crime Lab’s Community Violence Intervention Leadership Academy.

Why America fell for guns
Essay
Aeon
Apr 2024

Why America fell for guns

Megan Kang, a Crime Lab affiliate and Ph.D. candidate in sociology at Princeton University, writes an essay that describes America’s extraordinary levels of gun ownership in the context of a key turning point in US gun culture in the mid-20th century.

Oeindrila Dube on Cognitive Behavioral Training for Police
Podcast
Probable Causation
Apr 2024

Oeindrila Dube on Cognitive Behavioral Training for Police

In this episode of Probable Causation, Dr. Oeindrila Dube discusses her research on Situational Decision-Making, a cognitive behavioral training program for police.