The following are acronyms and abbreviations widely used in this report.
| ATF | Bureau of Alcohol, Tobacco, Firearms and Explosives | |
| BOP | Federal Bureau of Prisons | |
| BJA | Bureau of Justice Assistance | |
| CODIS | Combined DNA Index System | |
| DEA | Drug Enforcement Administration | |
| Department | U.S. Department of Justice | |
| DHS | Department of Homeland Security |
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| EOUSA | Executive Office for U.S. Attorneys | |
| FBI | Federal Bureau of Investigation | |
| FY | Fiscal year | |
| IG Act | Inspector General Act of 1978 | |
| IT | Information technology | |
| NIJ | National Institute of Justice |
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| NSL | National Security Letters |
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| OIG | Office of the Inspector General | |
| OJP | Office of Justice Programs | |
| OVC | Office for Victims of Crime | |
| Patriot Reauthorization Act | USA Patriot Improvement and Reauthorization Act of 2005 | |
| UNICOR | Federal Prison Industries, Inc. | |
| USAO | U.S. Attorneys’ Offices | |
| USMS | U.S. Marshals Service | |