Administrative Investigations

Marguerite C. Garrison, Deputy Inspector General for Administrative Investigations

Mission

Administrative Investigations (AI) helps ensure ethical conduct throughout the DoD by conducting investigations and overseeing DoD Component investigations of allegations of misconduct by senior DoD officials, whistleblower reprisal, and Service member restriction from communication with an IG or Member of Congress.  AI also manages the DoD Hotline and the Contractor Disclosure Program, provides education and training on whistleblower protections through its Whistleblower Protection Coordinator, and facilitates voluntary resolution of whistleblower reprisal allegations through its Alternative Dispute Resolution program.

March 12, 2026

Report of Investigation: MG Antonio A. Aguto Jr., U.S. Army (Retired) Former Commander, Security Assistance Group – Ukraine (Report No. DODIG-2026-067)

The DoD Office of Inspector General initiated an investigation into U.S. Army Major General Antonio A. Aguto Jr., former Commander of Security Assistance Group-Ukraine, Operation ATLANTIC RESOLVE, on June 6, 2024. This action followed the receipt of three anonymous complaints between May 20 and May 24, 2024.

Dec. 10, 2025

Whistleblower Reprisal Investigation: U.S Army Reserve, U.S Army War College, Carlisle, Pennsylvania (Report No. DODIG-2026-024)

We completed an investigation into allegations that a U.S. Army Colonel and a DoD civilian employee relieved the Complainant (a U.S. Army Reserve Colonel) from Reserve support duties at the U.S. Army War College’s Senior Leader Development Seminar in reprisal for making protected communications to Members of Congress.

June 10, 2025

Summary Report of Whistleblower Restriction Investigation –Special Operations Command Pacific, Camp H.M. Smith, Hawaii

The DoD Office of Inspector General (DoD OIG) completed an investigation into allegations that an Air Force Colonel restricted the Complainant (an Army Major) from lawfully communicating with an Inspector General and Congress.

April 23, 2025

WHISTLEBLOWER REPRISAL INVESTIGATION HONEYWELL INTERNATIONAL INC. MINNEAPOLIS, MINNESOTA (Report No. DODIG-2025-087)

We conducted this investigation in response to a reprisal complaint alleging that Honeywell International Inc. (Honeywell), Minneapolis, Minnesota, directed its subcontractor to remove the Complainant from the Honeywell defense contract in reprisal for making protected disclosures to Honeywell officials concerning political and racist comments, neglected security duties, falsified time, and illegal drug activity.

Feb. 6, 2025

Whistleblower Reprisal Investigation 66th Force Support Squadron, 66th Air Base Group Hanscom Air Force Base, Massachusetts (Report No. DODIG-2025-063)

We conducted this investigation in response to a reprisal complaint alleging that (Subject 1) and (Subject 2) took personnel actions against (the Complainant) in reprisal for making protected disclosures concerning Subject 1’s behavior and management of the Tavern at Hanscom Air Force Base (AFB), Massachusetts.

  • Office of Inspector General, United States Department of Defense, 4800 Mark Center Drive, Alexandria, VA 22350-1500