staff into his command headquarters, in order to ensure he would have the most up to date knowledge of the battlefield. Sharpe and BMI continued to serve Grant up until the Battle of Appomattox Court House, where they were responsible for paroling the former members of the Army of Northern Virginia, including Robert E. Lee himself. Aftermath The BMI was disbanded in 1865 at the end of the Civil War. The United States would not create another formal intelligence agency until the Office of Naval Intelligence was established in 1882. The Army would create its Military Information Division in 1885, which would become the predecessor of the Military Intelligence Corps and United States Army Intelligence and Security Command. Following Lincoln's assassination, Baker would be responsible for tracking down the conspirators, but would eventually be dismissed by Andrew Johnson due to allegedly spying on the President himself for Edwin M. Stanton. Baker would also hunt for Lincoln's conspirators, this time in Europe as a special agent of the United States Department of State. After being elected President of the United States, Grant appointed Sharpe as United States Marshal for the Southern District of New York where he helped root out corruption, including disbanding the Tweed Ring. See also American Civil War spies Black Dispatches Confederate Secret Service References Notes Bibliography Linedecker, Clifford L., ed. Civil War, A-Z: The Complete Handbook of America's Bloodiest Conflict. New York: Ballantine Books, 2002. United States Government, Intelligence in the Civil War. Washington, D.C., Central Intelligence Agency, 2005. The FBI: A Comprehensive Reference Guide Military units and formations established in 1863 1865 disestablishments American Civil War espionage Military units and formations of the Union Army Defunct United States intelligence agencies Military intelligence agencies