Sam Davis was captured by Federal cavalry 15 miles outside Pulaski, Tennessee. He was captured wearing a “Federal soldier’s coat” and was a suspected spy and would therefore, per military law, be hanged. Brig. Gen. Grenville M. Dodge was in charge and when Davis was brought to him, he reportedly implored the young man to tell him who he was a spy for (Confederate outlaw “Coleman” led the network of…