Which statement about joint investigations involving the U.S. Postal Service is accurate?

• A. The USPS rarely conducts joint investigations with other federal agencies.
• B. The USPS never conducts joint investigations with other federal agencies.
• C. The USPS occasionally conducts joint investigations with other federal agencies.
• D. The USPS frequently conducts joint investigations with other federal agencies.

Answer: (D)

Interagency collaboration is a common and practical approach in federal investigations, especially when the crime involves the mail or shipping networks. The USPS, through its Postal Inspection Service, routinely partners with other federal agencies such as the FBI, DEA, Secret Service, and DHS components. They join forces on cases like mail fraud, drug trafficking via the mail, counterfeit currency, cyber-enabled crimes that use postal channels, and threats to the postal system. By pooling investigative authority, specialized forensics, and resources, these cases often require cross-agency expertise and jurisdiction, making joint investigations a frequent and standard practice. The other statements imply rarity or impossibility, which doesn’t reflect how federal law enforcement operates in practice.