Whether Johnson v. United States, 135 S. Ct. 2551 (2015), invalidated U.S. Sentencing Guidelines § 4B1.2(a)---the career offender guideline's residual clause---as applied to a case on collateral review challenging a pre-Booker mandatory sentence enhancement.

Whether a motion under 28 U.S.C. § 2255 filed within one year of this Court's decision in Johnson v. United States, 135 S. Ct. 2551 (2015), on grounds that the residual clause under U.S. Sentencing Guidelines § 4B1.2(a) is no longer valid for pre-Booker mandatory sentence enhancements, is timely under 28 U.S.C. § 2255(f).

Whether a conviction for armed robbery under 18 U.S.C. §§ 2113(a) and (d) constitutes a crime of violence under U.S. Sentencing Guidelines § 4B1.2(a).

Whether Johnson v. United States, 135 S. Ct. 2551 (2015), invalidated U.S. Sentencing Guidelines § 4B1.2(a)---the career offender guideline's residual clause---as applied to a case on collateral review challenging a pre-Booker mandatory sentence enhancement