To convict under ?????848, the government must prove that the defendant committed: ???1) a felony violation of the federal narcotics law; 2) as part of a continuing series of violations; 3) in concert with five or more persons; 4) for whom the defendant is an organizer or supervisor; 5) from which he derives substantial income or resources.??? United States v. Hoyle, 122 F.3d 48, 50 (D.C.Cir.1997)