Welch v. United States, 578 U.S. __, 136 S. Ct. 1257 (Apr. 18, 2016)

Johnson v. United States, 576 U. S. ___, 135 S. Ct. 2551 (2015), holding that the residual clause of the Armed Career Criminal Act of 1984, 18 U. S. C. §924(e)(2)(B)(ii), was void for vagueness was a substantive decision that is retroactive in cases on collateral review.