United States v. Oriakhi, 57 F.3d 1290, 1297 (4th Cir.1995) (citing Montoya de Hernandez, 473 U.S. 1998) (acceptable suspicion essential to drill into body of truck trailer) United States v. Robles, 45 F.3d 1, five (1st Cir.1995) (sensible suspicion was necessary to drill into a "closed, metal cylinder") United States v. Carreon, 872 F.2d 1436, 1440-41 (10th Cir.1989) (acceptable suspicion essential to drill gap into wall of camper).