Whether the "serious drug offense" definition in the Armed Career Criminal Act, 18 U.S.C. § 924(e)(2)(A)(i), incorporates the federal drug schedules that were in effect at the time of the federal firearm offense (as the Third, Fourth, Eighth, and Tenth Circuits have held), or the federal drug schedules that were in effect at the time of the prior state drug offense (as the Eleventh Circuit held below).

Whether the 'serious drug offense' definition in the Armed Career Criminal Act, 18 U.S.C. § 924(e)(2)(A)(i), incorporates the federal drug schedules that were in effect at the time of the federal firearm offense (as the Third, Fourth, Eighth, and Tenth Circuits have held), or the federal drug schedules that were in effect at the time of the prior state drug offense (as the Eleventh Circuit held below)