ugh a chain of custody, "any flaws in the chain of custody bear only on the weight of the evidence, and not on its admissibility." United States v. Stuckey, No. 06 Cr. 339 (RPP), 2007 WL 2962594, at *7 (S.D.N.Y. 2007) (citing United States v. Morrison, 153 F.3d 34, 57 (2d Cir. 1998)); see also United St