The Presence of Justice

Beyond the age of mass incarceration

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This work was commissioned, produced, and edited by The Atlantic's editorial staff. Support for this work was provided in part by the organizations listed here.

This project is supported by a grant from the John D. and Catherine T. MacArthur Foundation’s Safety and Justice Challenge.

A man walks by the district attorney's office in Philadelphia
Matt Slocum / AP

The Watchdog Inside the DA's Office

In Philadelphia and other cities, prosecutors have formed “conviction review units”—special teams that reinvestigate cases they may have gotten wrong.