In re Mazzio

OPINION

KAREN NELSON MOORE, Circuit Judge.

Anthony Mazzio, a federal prisoner serving two concurrent 240-month prison sentences for drug distribution, seeks our authorization to file a second or successive petition under 28 U.S.C. § 2255. Mazzio relies on the Supreme Court’s recent decision in Alleyne v. United States, — U.S. —, 133 S.Ct. 2151, 186 L.Ed.2d 314 (2013), claiming that he is entitled to relief because the factual basis on which his mandatory-minimum, twenty-year sentence was imposed was not found by a jury. See id. at 2158 (Thomas, J., plurality opinion) (“Facts that increase the…