Find U.S. federal government websites, data, and just about anything else that the federal government has put on the World Wide Web. If it's related to the federal government, you can probably find it here. A great place to begin research about anything dealing with federal, state, or local governments.
Site contains on-line and downloadable documents and links to related sites.
Much on-line data and links to even more data available from the various states. The National Institute of Justice is a component of the Office of Justice Programs, which also includes the Bureau of Justice Assistance, Bureau of Justice Statistics, Office of Juvenile Justice and Delinquency Prevention, and the Office for Victims of Crime. Also lists the resources available at the National Archives. All about crime data. Good description of available information with links to data sites.