Dateline NBC

Behind the Badge (18x20)

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In the lore of the Lone Star state, Texas lawmen rank pretty high: the good guys in the white hats. Their badge brought prestige - their gunfights, the history books. But in the modern-day town of Denton, Texas -- the "little D" outside "the Big D" of Dallas - there served one Texas lawman with a curious past, all locked up in a box.