The United States Department of Justice
http://www.usdoj.gov
The U.S. Department of Justice is the leading federal law enforcement agency. Several of its departments are available by link here.

The Office of Justice Programs
http://www.ojp.gov /

National Institute of Justice
http://www.ojp.usdoj.gov/nij/

Office of Juvenile Justice and Delinquency Prevention
http://ojjdp.ncjrs.org/

Bureau of Justice Assistance
http://www.ojp.usdoj.gov/BJA/

Office for Victims of Crime
http://www.ojp.usdoj.gov/ovc/

National Criminal Justice Reference Service
http://www.ncjrs.org/

Drug Enforcement Administration
http://www.usdoj.gov/dea/

Office of Community Oriented Policing Services
http://www.usdoj.gov/cops

President's Crime Prevention Council
http://www.pcpc.gov/
The Council provides valuable statistics, descriptions of available grants and applications, information on federal programs and initiatives, legislative summaries, fact sheets, publications, videotapes, posters and displays

Federal Bureau of Investigation (FBI) Uniform Crime Reports
http://www.fbi.gov/ucr/crimeus/crimeus.htm
The Uniform Crime Reports provide a nationwide view of crime based on the submission of statistics by law enforcement agencies throughout the country.

National Center for Injury Prevention and Control(CDC)
http://www.cdc.gov/ncipc/ncipchm.htm
As the lead federal agency for injury prevention, NCIPC works closely with other federal agencies; national, state, and local organizations; state and local health departments; and research institutions.

Bureau of Alcohol, Tobacco, and Firearms (ATF)
http://www.atf.treas.gov/

The Sentencing Project
http://www.sproject.com/
The Sentencing Project is an independent source of criminal justice policy analysis, data and program information for the public and policy-makers.

National Crime Prevention Council
http://www.ncpc.org/ and
http://www.weprevent.org/
NCPC is a national nonprofit organization whose mission is to help America prevent crime and build safer, stronger communities.

Center on Criminal and Juvenile Justice
http://www.cjcj.org/
The Center on Juvenile and Criminal Justice (CJCJ) is a private non-profit organization whose mission is to reduce society's reliance on the use of incarceration as a solution to social problems.

Fight Crime: Invest in Kids
http://www.fightcrime.org/
Fight Crime: Invest in Kids is a bipartisan, non-profit crime prevention organization led by a council of police, prosecutors, and crime survivors.

Center to Prevent Handgun Violence
http://www.handguncontrol.org/
Handgun Control Inc., is a non-partisan, not-for-profit organization that lobbies in favor of common-sense gun regulations at both state and national level.

One to One: National Mentoring Partnership
http://www.mentoring.org/
The National Mentoring Partnership is an advocate for the expansion of mentoring and acts as a resource for mentors and mentoring initiatives nationwide.

Center for Restorative Justice and Mediation
http://ssw.che.umn.edu/ctr4rjm/
The Center for Restorative Justice & Mediation, a part at the University of Minnesota, is one of the few institutions that provides technical assistance, training, and research nationally and internationally in support of restorative justice practices and principles.

American Correctional Association
http://www.corrections.com/aca
The American Correctional Association (ACA) is a multi-disciplinary organization of professionals representing all levels and facets of corrections and criminal justice facilities and prisons.

Victim Offender Mediation Association
http://www.voma.org
A part of the Restorative Justice Institute, The Victim Offender Mediation Association develops and implements a program of public information and education in the field of victim offender mediation and reconciliation.

League of Women Voters of the United States
http://www.lwv.org/
The League of Women Voters is a multi-issue organization whose mission is to encourage the informed and active participation of citizens in government and to influence public policy through education and advocacy.

The National Civic League
http://www.ncl.org/
The National Civic League advocates a new civic agenda to promote the principles of collaborative problem-solving and consensus-based decision making.

Join Together
http://www.jointogether.org/gv
Join Together is a national resource center linking people through information and strategies to encourage community action to prevent and reduce the use of illicit drugs, excessive alcohol, tobacco and gun violence.