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|Study No.||Study Title/Investigator||Time Period|
Census of Law Enforcement Gang Units, 2007
Census of Public Defender Offices: County-Based and Local Offices, 2007
Census of Public Defender Offices: State Programs, 2007
Census of Publicly Funded Forensic Crime Laboratories, 2002
Directory of Law Enforcement Agencies, 1986: [United States]
National Manpower Survey, 1973-1976
National Prosecutors Survey, 1996
National Survey of DNA Crime Laboratories, 1998
National Survey of DNA Crime Laboratories, 2001