What is a USPS inspector?

USPS Inspectors, formally known as United States Postal Inspectors, are federal law enforcement agents who protect the U.S. Postal Service, its employees, and customers. They investigate crimes involving the mail, such as mail fraud, theft, and dangerous substances. Postal Inspectors also work to ensure the overall security of postal facilities and enforce more than 200 federal statutes related to the mail. Their duties include conducting investigations, making arrests, and collaborating with other law enforcement agencies.