gister under SORNA travels in interstate commerce. United States v Pena (2008, WD Tex) 582 FSupp 2d 851 (criticized in United States v Myers (2008, SD FM) 21 FLW Fed D 473). As set forth in 18 USCS§ 2250(a), term "knowingly" means knowledge that one must register as sex offender and knowledge that on