1775 – Inspection Service established

1775

Postal Inspection Service

The U.S. Postal Inspection Service was established Aug. 7, 1775, and is America's oldest federal law enforcement agency.

* | Tags: History USPS Fact #1382 | November 3, 2025

Illegal narcotics seized

36,454 kg

illegal narcotics seized

In fiscal year 2024, the Inspection Service seized 36,454 kilograms of illegal narcotics.

* | Tags: Inspection service USPS Fact #1381 | November 3, 2025

Project Safe Delivery

PROJECT

SAFE DELIVERY

The Inspection Service and USPS launched Project Safe Delivery in 2023 to protect postal employees and the security of the nation’s mail and packages.

* | Tags: Inspection service USPS Fact #1380 | November 3, 2025

The Inspection Service and USPS launched Project Safe Delivery in 2023 as a direct response to an increase in letter carrier robberies and associated mail theft. The joint initiative aims to protect postal employees and the mailstream, prevent incidents through education and awareness and enforce the laws that protect our nation’s mail. More information is available at uspis.gov/psd.

Illegal narcotics arrests

Postal Museum
2,038

narcotics arrests

In 2024, the Inspection Service reported 2,038 arrests related to illegal narcotics cases.

* | Tags: Inspection service USPS Fact #674 | July 2, 2025

Keeping America’s postal system secure.

In 2024, the Postal Inspection Service:

  • Made 4,754 arrests and secured 4,228 convictions primarily prohibited mail, mail theft, and assaults and robberies of employees.
  • Recovered approximately $750,000 in misappropriated or stolen mail transport equipment.
  • Investigated approximately 1,700 suspicious mail incidents investigated.
  • Made 2,038 arrests for illegal narcotics.
  • Seized 5,011 assets worth more than $54 million.
  • Seized 1,566 assets worth more than $402 million.
  • Launched 29 investigations into the use of mail in the sexual exploitation of children. This has led to eight arrests and four convictions. To date, more than 20,000 child sexual abuse victims have been identified.
  • Identified 2,505 suspects through examination of more than 1 million items, including more than 381 terabytes of data, through the Inspection Service’s Forensic Laboratory Services.

U.S. Postal Inspection Service

USPS
POSTAL

INSPECTION SERVICE

Defending the frontier. Enforcing the law. Established Aug. 7, 1775. The U.S. Postal Inspection Service enforces federal laws, prevents crimes, and keeps customers, employees and the mail safe. It’s one of the oldest law enforcement agencies in the nation. Postal inspectors remain on the heels of the criminals — targeting theft, disrupting drug traffickers, warning about fraud scams and more.

* | Tags: Inspection service USPS Fact #815 | July 2, 2025

It’s one of the oldest law enforcement agencies in the nation. Postal Inspectors remain on the heels of the criminals — targeting theft, disrupting drug traffickers, warning about fraud scams and more.

The Postal Inspection Service does this with approximately 2,300 employees — including nearly 1,250 postal inspectors, roughly 450 uniformed postal police officers and 600 professional, technical and administrative support personnel — all working to ensure America’s confidence in the U.S. Mail.