late Er Post Facto Clause of U.S. Constitution. United States v Samuels (2008, ED Ky) 543 F Supp 2d 669 (criticized in United States v Howell (2008, ND lowa) 2008 US Dist LEXIS 7810). Although defendant contended that indictment violated Ex Post Facto Clause because Sex Offender Registration and Notifi