United Staters v. Montes-Salas, 669 F.3d 240 (5th Cir. Jan. 26, 2012) (affirming conviction of alien smuggling against claim that trial court erred in admitting improper profile evidence, where border patrol agents testimony had not crossed line separating expert testimony on methods of operation to generic profile evidence in a way that was clear or obvious, as required to be cognizable on plain error review).