United States v. Kahn, No. 19-8054 (10th Cir. 2023)
Annotate this CaseDoctor Shakeel Kahn (Dr. Kahn) was convicted in federal district court in Wyoming, in part, for dispensing controlled substances not “as authorized,” in violation of the Controlled Substances Act (the CSA). Included in his appeal to the Tenth Circuit Court of Appeals was his contention that the jury instructions issued by the district court improperly advised the jury regarding the mens rea requirement of CSA § 841(a). The Tenth Circuit affirmed Dr. Kahn’s convictions, rejecting both his challenge to the instructions given, and his challenges to multiple searches and the evidence seized. In upholding the instructions, the Tenth Circuit relied on precedent, United States v. Nelson, 383 F.3d 1227 (10th Cir. 2004), and further reaffirmed its holding, which was guided by 21 C.F.R. § 1306.04(a). Dr. Kahn appealed to the U.S. Supreme Court, raising only his instructional challenge. The Supreme Court held that § 841(a)’s “knowingly or intentionally” mens rea applied to the “except as authorized” clause of the statute, vacated the Tenth Circuit's judgment, and remanded the case for further proceedings consistent with its opinion. The parties submitted supplemental briefing, and the matter went again before the Tenth Circuit. After review, the Tenth Circuit concluded the jury instructions issued in Dr. Kahn’s trial incorrectly stated the mens rea requirement of § 841(a) and the error was not harmless beyond a reasonable doubt. This prejudicial error infected all of Dr. Kahn’s convictions. Therefore, Dr. Kahn’s convictions were v