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  1. Read about our Active and Ongoing Investigations

  2. Contact the USAID OIG Hotline

  3. Derek Santos serves as General Counsel and Chief Operating Officer for the Office of Inspector General. In this role, he exercises overall supervision of OIG’s business units, including the Offices of Investigations; Audits, Inspections and…

  4. Khadija Elaine Walker has 23 years of Federal oversight experience—1½ years at the USAID Office of Inspector General (OIG) and 21½ years at the U.S. Environmental Protection Agency (EPA) OIG. As Deputy Assistant Inspector General at USAID OIG, Ms…