US Postal Inspection Service

Thesaurus

Noun

1.

US Postal Inspection Service - the primary law enforcement arm of the United States Postal ServiceUnited States Postal Inspection ServiceUnited States Postal Service, US Postal Service, USPS - an independent federal agency that provides mail processing and delivery service for individuals and businesses in the United Statesindependent agency - an agency of the United States government that is created by an act of Congress and is independent of the executive departments