(4th Cir. 2011) (“[Section] 3582(c) forbids a district court from ruling on a motion to reconsider a § 3582(c)(2) sentence reduction order.”). In reaching its decision, however, the district court did not have the benefit of our decision in United States v. May, 855 F.3d 271, 274 (4th Cir. 2017) (<HOLDING>), pet. for cert. filed, No. 17-142 (U.S. July
holding that arguments not raised below are waived for appeal holding that issue exhaustion is not jurisdictional and thus waived if not raised by the government holding that the prohibition against  3582c2based motions for reconsideration is not jurisdictional and thus is waived when the government failed to assert it below holding that an issue not properly preserved below in the district court is generally waived holding that argument offered in defense of decision below had been waived when not raised below