Skip to main content

Office of the Inspector General

Office of the Inspector General Organizational Chart April 24 2024

Office of the Inspector General (OIG) Organizational Chart - printable PDF

  • Inspector General
    • Office of General Counsel – General Counsel
    • Communications Director
    • Chief Diversity Office
    • Deputy Inspector General
      • Audit Division – Assistant Inspector General
        • Field Offices
      • Investigations Division – Assistant Inspector General
        • Field Offices
      • Evaluation and Inspections Division - Assistant Inspector General
      • Oversight and Review Division – Assistant Inspector General
      • Information Technology Division – Assistant Inspector General
      • Management and Planning Division – Assistant Inspector General
    • Senior Counsels to the Inspector General
    • Chief Innovation Officer

Approved by: Michael E. Horowitz, Inspector General
Date: 4/24/2024

On April 14, 1989, the Office of the Inspector General (OIG) was created in the Department of Justice (Department) by amendment to the Inspector General Act of 1978. OIG’s mission is to promote the rule of law through objective, independent oversight of the Department. The OIG also assists Department managers in promoting integrity, economy, efficiency, and effectiveness of Department programs and operations through its audits, inspections, investigations, and special reviews.

The OIG has jurisdiction to review the programs and personnel of the Federal Bureau of Investigation, the Drug Enforcement Administration, the Federal Bureau of Prisons, the U.S. Marshals Service, the Bureau of Alcohol, Tobacco, Firearms and Explosives, the United States Attorneys, and all other organizations in the Department as well as contractors of the Department and organizations receiving grant money from the Department..

The major functions of the OIG are to:

  • Investigate alleged violations of criminal and civil laws, regulations and ethical standards arising from the conduct of Department employees.
  • Conduct, report, and follow up on financial audits of Departmental organizations, programs, contracts, grants, and other agreements.
  • Conduct, report, and follow up on performance audits and inspections of programs and operations within or financed by the Department.
  • Report to the Attorney General and the Congress on problems and deficiencies in the administration of Department and Department-financed operations and progress made in implementing recommended corrective actions.

Office of the Inspector General Field Offices

DOJ Investigation Division Offices October 25 2023


Western Region

  • Washington
  • Oregon
  • California
  • Nevada
  • Alaska
  • Hawaii
  • American Samoa
  • Guam
  • N. Mariana Islands

Rocky Mountain Region

  • Idaho
  • Montana
  • North Dakota
  • South Dakota
  • Wyoming
  • Nebraska
  • Colorado
  • Utah
  • Arizona

South Central Region

  • New Mexico
  • Texas 
  • Oklahoma
  • Arkansas
  • Louisiana

Midwest Region

  • Minnesota
  • Wisconsin
  • Michigan
  • Iowa
  • Kansas
  • Missouri
  • Illinois
  • Indiana
  • Ohio
  • Kentucky

Southeast Region

  • Tennessee
  • Mississippi
  • Alabama
  • Georgia
  • Florida
  • South Carolina
  • Puerto Rico
  • U.S. Virgin Islands

Mid-Atlantic Region

  • North Carolina
  • Virginia
  • West Virginia
  • Maryland
  • Pennsylvania
  • Delaware
  • New Jersey

Northeast Region

  • New York
  • Connecticut
  • Rhode Island
  • Massachusetts
  • Vermont
  • New Hampshire
  • Maine