Authorities Cited: United States Code 8 U.S.C. § 1326(a)(1) 18 U.S.C. § 16(a) 18 U.S.C. § 16(b) Supreme Court 495 U.S. 575, 600 Circuit Courts 134 F.3d 1000, 1006 327 F.3d 188, 195 353 F.3d 766, 771 357 F.3d 518, 520 383 F.3d 254, 260 414 F.3d 1282, 1284-1286 448 F.3d 159, 174 465 F.3d 633, 639 468 F.3d 874, 879 489 F.3d 1042, 1046 Federal Sentencing Guidelines U.S.S.G. §2L1.2 U.S.S.G. §4A1.1