Criminology

The Quattrone Center: Less argument, more truth-seeking

The Quattrone Center for the Fair Administration of Justice is pioneering a systemic, data-driven approach to criminal justice reform. Its executive director, John Hollway, started with the idea that the law should function more like science.

The Pennsylvania Gazette

What the 1968 Kerner Commission can teach us

Criminologist and statistician Richard Berk, who worked on the report as a graduate student, explains the systemic racism and poverty found to underlie violent unrest in the 1960s and where COVID-19 and the economy fit today.

Michele W. Berger

Using science to make cities safer and healthier

In a Q&A, criminologist John MacDonald discusses his new book, grounded in years of research on the positive effects of remediation like fixing up abandoned lots and houses.

Michele W. Berger

Removing human bias from predictive modeling

Predictive modeling is supposed to be neutral, a way to help remove personal prejudices from decision-making. But the algorithms are packed with the same biases that are built into the real-world data used to create them. 

Penn Today Staff



In the News


Philadelphia Inquirer

Too many Philly police are no-shows in court, derailing cases and undermining our justice system

Research by Sandra Mayson of Penn Carey Law, Aurelie Ouss of the School of Arts & Sciences, and doctoral candidate Linsday Graef finds that Philadelphia police officers failed to appear in 31% of cases for which they were subpoenaed between 2010 and 2020.

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Providence Journal

Do safe injection sites increase crime rates? What a study our of Brown University found

A study in collaboration with Aaron Chalfin of the School of Arts & Sciences indicates that overdose prevention centers do not lead to increased neighborhood crime rates.

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WHYY (Philadelphia)

Philadelphians hope a cleaner city will reduce gun violence. Will Oh or Parker make it a reality?

A $3 million blight reduction project in Philadelphia is informed by Penn research showing that cleaning up trash and revitalizing vacant lots can reduce gun violence rates by as much as 29%.

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Philadelphia Inquirer

There is an invisible Puerto Rican community growing in PA’s prisons

Marie Gottschalk of the School of Arts & Sciences says that prison reforms to reduce the number of people incarcerated have been minimal.

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Boston Globe

Gregg Bigda is the poster boy of police brutality in Springfield. But the city can’t—or won’t—fire him

A 2021 Penn analysis of all complaints across the Chicago Police Department revealed that on average, officers generated 1.5 total complaints and 0.2 use of force complaints in a five-year period.

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NJ.com

When a police shooting really is justified, what do we do with our pain then?

Richard Berk of the School of Arts & Sciences says that the police shooting of Estiben Alegria-Hurtado in Elizabeth, New Jersey, is a case where 20-20 hindsight can be fairly myopic.

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