Shepard v. United States

Title 18 U. S. C. § 924(e) (2000 ed. and Supp. II), popularly known as the Armed Career Criminal Act (ACCA), mandates a minimum 15-year prison sentence for anyone possessing a firearm after three prior convictions for serious drug offenses or violent felonies. The Act makes burglary a vio*16lent felony only if committed in a building or enclosed space (“generic burglary”), not in a boat or motor vehicle. In Taylor v. United States, 495 U. S. 575 (1990), we held that a court sentencing under the ACCA could look to statutory elements, charging documents, and jury instructions to determine whether…