| ATF | Bureau of Alcohol, Tobacco, Firearms and Explosives |
| BJA | Bureau of Justice Assistance |
| BOP | Federal Bureau of Prisons |
| COPS | Office of Community Oriented Policing Services |
| DEA | Drug Enforcement Administration |
| Department | U.S. Department of Justice |
| FBI | Federal Bureau of Investigation |
| EOUSA | Executive Office for U.S. Attorneys |
| FY | Fiscal year |
| IG Act | Inspector General Act of 1978, as amended |
| INS | Immigration and Naturalization Service |
| IT | Information technology |
| JMD | Justice Management Divisio |
| NIJ | National Institute of Justice |
| OIG | Office of the Inspector General |
| OJP | Office of Justice Programs |
| OMB | Office of Management and Budget |
| September 11 | September 11, 2001, terrorist attacks |
| TSC | Terrorist Screening Center |
| USAO | U.S. Attorney’s Office |
| USMS | U.S. Marshals Service |
