In the Supreme Court of the United States, Samuel James Johnson, petitioner v. United States, respondent : on writ of certiorari to the United States Court of Appeals for the Eighth Circuit : brief of amici curiae the Brady Center to Prevent Gun Violence and International Brotherhood of Police Officers in support of the respondent /

At issue is whether a state felony conviction for possession of a short-barreled shotgun constitutes a "violent felony" under the federal Armed Career Criminal Act.