Website for the US government bureau responsible for administration of the federal prison system. Contains a brief history of the bureau, some basic statistics, as well as a list of federal prison locations.
Pew Charitable Trusts project that works to "advance data-driven, fiscally sound policies and practices in the criminal and juvenile justice systems that protect public safety, hold offenders accountable, and control corrections costs." Contains reports, statistics, and data visualizations.
The Innocence Project "is a national litigation and public policy organization dedicated to exonerating wrongfully convicted individuals through DNA testing and reforming the criminal justice system to prevent future injustice."