ident or ill-advised opinion being issued on an unbriefed issue." United States v. Leeson, 453 F.3d 631, 638 n.4 (4th Cir. 2006) (citing McBride v. Merrell Dow & Pharm., Inc., 800 F.2d 1208, 1211, 255 U.S. App. D.C. 183 (D.C. Cir. 1986)). Given the briefing presented, the fully developed record For internal use onl