A portrait of Peter Wagner.
Peter Wagner
Executive Director
I need your help. The Prison Policy Initiative is at the forefront of the movement for criminal justice reform. We’ve protected our democracy from the prison system and the poorest families in this country from the predatory prison telephone industry. And our timely and accessible reports recruit new and stronger allies to our movement.

But
our long-term viability depends on people like you investing in our work.

Some of our other supporters will match every gift made through the end of the year. Can you stand up for smart and effective criminal justice policy with a gift today?

I thank you for investing in our work towards a more just tomorrow.
—Peter Wagner
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Research Clearinghouse:

Beyond producing original research, the Prison Policy Initiative edits several databases to empower activists, journalists, and policymakers to shape effective criminal justice policy. This page contains links to virtually all the empirical criminal justice research available online, organized by category and publication date. If you know what you are looking for, you may also search the database. We also have an email newsletter (at right) for new research clearinghouse updates.


Can't find what you are looking for?

Enter one word from the title, author or topic to search the clearinghouse:

Advanced search options and entire database by the date added.

word cloud of search terms

Some of the most recently added reports are:

Thursday, February 4 2016:

  • World Prison Population List (eleventh edition), International Centre for Prison Studies. February, 2015. "This eleventh edition of the World Prison Population List gives details of the number of prisoners held in 223 prison systems in independent countries and dependent territories."
  • A Legislated Study of Raising the Age of Juvenile Jurisdiction in Louisiana The Future of 17-Year-Olds in the Louisiana Justice System, Institute for Public Health and Justice. February, 2016. "Lousiana should strongly consider raising the age of juvenile court jurisdiction to include 17-year-old offenders."
  • First-Episode Incarceration: Creating a Recovery-Informed Framework for Integrated Mental Health and Criminal Justice Responses, Vera Institute of Justice. January, 2016. (This report outlines a new integrated framework that encourages the mental health and criminal justice fields to collaborate on developing programs based on early intervention.)
  • Sexual Offender Laws and Prevention of Sexual Violence or Recidivism American Journal of Public Health. 2010. (Evidence on the effectiveness of sex offender laws suggests that they may not prevent recidivism or sexual violence and result in more harm than good.)
  • Sex Offender Registration and Notification Limited Effects in New Jersey, National Institute of Justice. April, 2009. "Convicted offenders and their offense types in this study were similar before and after Megan’s Law was passed."
  • Exonerations in 2015 The National Registry of Exonerations. February, 2016. "2015 set a record for exonerations in the United States - 149 that we know of so far, in 29 states, the District of Columbia, federal courts and Guam."

Friday, January 29 2016:

  • Locked Up & Shipped Away: Interstate Prisoner Transfers and the Private Prison Industry Winter 2016 Update, [PDF] Grassroots Leadership. January, 2016. (Since the 2013 release of Locked Up and Shipped Away, the same four states (Vermont, California, Idaho, and Hawaii) continue to house a portion of their prisoners in private prisons out of state. And, a fifth state, Arkansas has also opted to do so.)
  • You've Got Mail: The promise of cyber communication in prisons and the need for regulation, Prison Policy Initiative. January, 2016. (There are many benefits to electronic messaging in correctional facilities, but our analysis finds that the technology is primed to be just another opportunity for for-profit companies to exploit families and subvert regulations of phone calls.)
  • Report and Recommendations Concerning the Use of Restrictive Housing U.S. Department of Justice. January, 2016. "At its worst, and when applied without regard to basic standards of decency, restrictive housing can cause serious, long-lasting harm. It is the responsibility of all governments to ensure that this practice is used only as necessary."
  • Sexual Victimization Reported by Juvenile Correctional Authorities, 2007-12 Bureau of Justice Statistics. January, 2016. "In 2012, juvenile correctional administrators reported 865 allegations of sexual victimization in state juvenile systems and 613 in local or private facilities and Indian country facilities."
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