ENDescription
Operating at the state level, the Secret Service’s Jackson, Mississippi field office worked with a number of federal agencies on investigations, including the Federal Bureau of Investigation, the U.S. Postal Inspection Service, and the U.S. Capitol Police. (Blain, William T. "Challenge to the Lawless: The Mississippi Secret Service, 1870-1871," Journal of Mississippi History 40, no. 2 (May 1978): 119-31)
See also: http://opac2.mdah.state.ms.us/eagles2.php
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