Two Texas men have been charged in an alleged plot to invade a Haitian island, kill its male residents and enslave the women and children as their "sex slaves," federal prosecutors announced Thursday. Gavin Rivers Weisenburg, 21, of Allen, and Tanner Christopher Thomas, 20, of Argyle, were indicted on charges of conspiracy to murder, maim or kidnap in a foreign country and production of child pornography, according to the U.S. Attorney's Office for the Eastern District of Texas.