The U.S. Postal Service Office of Inspector General (OIG) has released its Spring 2026 Semiannual Report to Congress, detailing its efforts to ensure efficiency, accountability, and integrity within the USPS and the Postal Regulatory Commission (PRC) for the six-month period ending March 31, 2026. The report highlights the OIG's focus on the Postal Service's financial condition and its ability to provide timely mail delivery amidst intensifying concerns.
Inspector General Tammy L. Hull noted the OIG's work has increased transparency into postal finances, including a report on financial history and a public dashboard. Investigations uncovered potential lost revenue from unused space and significant losses from financial fraud. The OIG also continues to address national and local service performance issues, examining how the Postal Service’s network rollout impacts timely mail delivery.
Beyond financial and service performance, the report covers critical investigative work. Efforts to deter mail theft have intensified due to organized crime targeting financial instruments sent by mail. OIG teams also contribute to combating the national opioid crisis and drug overdose deaths.
Despite challenges, including office closures during a government shutdown, OIG investigations resulted in over $91 million in fines, recoveries, and restitution, with more than $13 million directly returned to the Postal Service. The OIG issued 38 reports, made 433 arrests, and completed 1,179 investigations during the reporting period.