On a chilly October afternoon in 1881, two brothers named Tom and Frank McLaury were gunned down on the streets of Tombstone, Arizona, by the Earp brothers and Doc Holliday. The deadly event became known as the gunfight at the O.K. Corral, and in a quirk of fate, the brothers' names became well-known, but only as bad men and outlaws. Did they deserve that reputation?