Whether SORNA's registration requirements are unconstitutionally vague

QUESTIONS PRESENTED 1) Whether this Court’s decisions in Johnson v. United States, 135 S. Ct. 2551 (2015) and its progeny enable defendants to raise facial vagueness challenges to criminal statutes. 2) Whether 18 U.S.C. § 2250(a)—which addresses registration requirements under the Sex Offender Registration and Notification Act (“SORNA”)—is unconstitutionally vague because it fails to prescribe a mens rea for the travel element, and fails to connect the interstate travel to the failure to register. 3) Whether 18 U.S.C. § 2250(a) is unconstitutional under the Commerce Clause because it allows the federal government to prosecute wholly intrastate activity by requiring no nexus between the interstate travel and the failure to register. ii INTERESTED PARTIES There are no