In the fall of 1865, the United States Army executed Confederate guerrilla Champ Ferguson for his role in murdering fifty-three loyal citizens of Kentucky and Tennessee during the Civil War. Long remembered as the most unforgiving and inglorious warrior of the Confederacy, Ferguson has often been dismissed by historians as a cold-blooded killer. In Confederate Outlaw: Champ Ferguson and the Civil War in Appalachia, biographer Brian D. McKnight demonstrates...