Whether a criminal defendant is entitled to relief under a retroactive constitutional decision invalidating a federal statutory provision

QUESTION PRESENTED Whether, or under what circumstances, a criminal defendant pursuing a second or successive motion under 28 U.S.C. § 2255 is entitled to relief under a retroactive constitutional decision invalidating a federal statutory provision, where the record is silent as to whether the district court based its original judgment on that provision or another provision of the same statute.! 1 This same issue is currently the subject of at least three petitions for writ of certiorari pending before this Court. Harris v. United States, No. 18-6936 (pending); Ezell v. United States, No. 18-7426 (pending); Walker v. United States, No. 18-8125 (pending). i PARTIES INVOLVED The parties identified in the caption of this case are the only parties before the Court. ii