# United States Postal Inspection Service **Aliases:** USPIS; Postal Inspection Service **Entity class:** Federal law-enforcement organization ## Definition The **United States Postal Inspection Service** is the law-enforcement, crime-prevention, and security arm of the United States Postal Service. Its FY2024 annual report states that more than 1,200 Postal Inspectors enforce roughly 200 federal laws involving the mail and postal system. ## Relationships - **institutional home:** [[wiki/United States Postal Service|USPS]]. - **administers:** [[wiki/Mail Cover|Mail Cover]] requests and other postal investigations. - **counterterrorism relevance:** mail bombs, dangerous mail, illicit finance, contraband, identity crime, and protection of postal infrastructure. ## Sources / Provenance - [USPIS — FY2024 Annual Report](https://www.uspis.gov/wp-content/uploads/2026/01/USPIS_Annual_Report_FY24-508Compliance-011226.pdf) - [USPS OIG — Mail Covers Program Phase II, September 28, 2016](https://www.uspsoig.gov/reports/audit-reports/us-postal-inspection-service-mail-covers-program-phase-ii)