been ordered to southern maryland in search of lincoln's killer. what will soon become the largest manhunt in american history at that time begins with troops searching scarcely four miles from dr. mudd's farmhouse. lost in the dark and on the edge of the zekiah swamp, booth and herold have promised to pay tobacco farmer oswell swann $12 to a leader in the confederate underground. john wilkes booth: how is it that you know captain cox? oswell swann: oh, we all know captain cox, sir. he a true man of the south. he a hard man. beat a nigger to death hisself. mmm-hm. david herold: you, you a free nigger? oswell swann: oh, we all's free now, sir, thanks to marse lincoln. lawd rest his soul. but i ain't no nigger. i's a we-sort. david herold: what? oswell swann: a we-sort. you know.