Opening Criminal Justice Data, Sunlight Foundation
The Sunlight Foundation is a national, nonpartisan, nonprofit organization that uses the tools of civic tech, open data, policy analysis and journalism to make our government and politics more accountable and transparent to all. The vision is to use technology to enable more complete, equitable and effective democratic participation. The overarching goal is to achieve changes in the law to require real-time, online transparency for all government information, with a special focus on the political money flow and who tries to influence government and how government responds. 

National Center for State Courts and Conference of State Court Administrators
The Court Statistics Project is a joint effort of NCSC and COSCA publishes caseload data at the state level.  They also provide information about state court structure and organization.

National Institute of Corrections
NIC makes available state-by-state profiles that include state and some local statistics on the prison and jail system, incarcerations, probation, parole, cost of incarceration, and crime.

U.S. Bureau of Justice Statistics
BJS is a central access point for statistics related to crime, corrections, law enforcement, criminal justice expenditures and employment, and victims.  Especially valuable are the Uniform Crime Reports which track crime throughout the U.S. at the local level.  TBJS also includes statistics for Indian Country.  

New Campus Crime Reports for 2013
Based on The Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act, colleges and universities are required to disclose certain timely and annual information about campus crime and security policies. The data contains information based on the calendar year (Jan. 1 through Dec. 31) in which the crime was reported to campus officials. It is a chargeable data.