.S.C. § 3142(0 (2) . The governmeitsa proceed in a detention hearing by way of proffer. United States I 39 Fed. Appx. 278, 278-78 (6th Cir. 2002); UniteiStatesl. Smith, 79 F.3d 1208, 1209-10 (DC Cir. 1996); Unit States Gaviria, 828 F.2d 667, 669 (11th Cir. 1987); United States Martir, 782 F.2d 1141, 1145