United States. Marshals Service
The U.S. Marshals were formed by the Judiciary Act of 1789 in order to give the federal government enforcement power to apprehend fugitives and perform other odd jobs- such as the U.S. census (until 1870). Marshals were permitted to swear in Special Deputies and form posses to apprehend federal fugitives. Marshals could serve subpoenas, writs, warrants, summonses, handled all federal prisoners, and were able to distribute funds as ordered by federal courts.
From the description of U.S. Marshals Service Southern District Correspondence, 1849-1862. (University of Florida). WorldCat record id: 184843173
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