Department of Justice
Justice, Department of, federal executive department created by Congress (1870). Headed by the attorney general, its functions are to enforce federal laws, furnish legal counsel to the federal government and represent it in Supreme Court cases, administer federal prisons, and supervise district attorneys and marshals. Its agencies include the Federal Bureau of Investigation, the Immigration and Naturalization Service, and the Drug Enforcement Administration. Its divisions include Antitrust, Civil, Civil Rights, Criminal, Land and Natural Resources, and Tax.