https://www.ranker.com/list/civil-spy-stories/setareh-janda?ref=collections_top&l=3317551&collectionId=2012
Jul 3, 2024 - The American Civil War was not fought only on battlefields - Civil War spies also waged a secret war of intelligence and covert activities in North America...
civil war spiesbadassplayedhugeroles
https://www.warhistoryonline.com/american-civil-war/civil-war-spies-part-bureau-military-information-xc.html
In 1959, Edwin C. Fishel of the National Security Agency found files concerning the Bureau of Military Information within the records of the Army of the
civil war spiesmilitary informationbureauhistory