U.S. Marshals Service

The United States Marshals Service is a federal law enforcement agency within the U.S. Department of Justice . It is the oldest American federal law enforcement agency, which was created by the Judiciary Act of 1789. The Marshals Service is attached to the Judicial branch of government, and is the enforcement arm of the federal courts. It is the primary agency for fugitive operations, responsible for prisoner transport, the protection of officers of the court, and for the effective operation of the judiciary. Wikipedia*

On the C-SPAN Networks:
U.S. Marshals Service has hosted 2 events in the C-SPAN Video Library; the first program was a 2018 Forum.