Crime on the New York City Subway: How Rare is it Really?, Vital City, June 2024

Efficient Justice: Thinking at the Margins About Crime and Punishment, Niskanen Center, May 2024

Is Transformational Change the Only Thing that Matters?, Vital City, March 2024

When City Streets Really Are War Zones, Vital City, September 2023
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Street Outreach Workers, Law Enforcement and Community Violence Interventions That Work, Niskanen Center, September 2023

​Some Chicago men face a greater risk of dying than soldiers. Let's treat them like veterans, Chicago Tribune, February 2023

Crime and the Built Environment, Vital City, October 2022

Street crimes in American cities were down in 2020, but Americans weren't safer, City Journal, March 2022

How a focused approach to policing made New York safer, Niskanen Center, January 2022

We don’t know why violent crime is up. But we know there’s more than one cause, Washington Post, July 2021 (with John MacDonald)

​When cities add cops, Black residents could have the most to gain – and the most to lose, Niskanen Center, May 2021 (with Ben Hansen, Emily Weisburst and Morgan Williams Jr.​)