United States v. Charleswell, 456 F.3d 347 (3d Cir. Aug. 1, 2006) (collateral attack of deportation order upon prosecution for illegal re-entry may include an attack on the original deportation order as well as the reinstated order upon which the illegal re-entry charges are based; "[r]einstatement orders do not exist independent and separate from their prior orders of removal but are instead explicitly premised on the prior order. See 8 U.S.C. 1231(a)(5)")
http://caselaw.lp.findlaw.com/data2/circs/3rd/044513p.pdf