pez, 356 F.3d 463, 467 (2d Cir. 2004) (per curiam) (citing United States v. Del Vecchio, 800 F.2d 21, 22 (2d Cir. 1986)); see also United States v. Mallah, 503 F.2d 971, 986 (2d Cir. 1974) (applying this burden-shifting approach post-conviction); United States v. Hernandez, No. 09-CR-625 (HB), 2009 WL