Whether the Fourth Circuit erroneously refused to apply its intervening case law to Furlow's case, incorrectly applying the mandate rule

QUESTIONS PRESENTED L Whether the Fourth Circuit erroneously refused to apply its intervening case law to Furlow’s case, incorrectly applying the mandate rule. I. Whether the Fourth Circuit should be required to use the categorical approach, applying the parameters set by this Court, to its determination that a prior conviction is a “serious drug offense” under the Armed Career Criminal Act and a controlled substance offense pursuant to U.S.S.G. §4B1.1. i