ch weight, if any, as you believe it deserves. Adapted from Sand, et al., Modern Federal Jury Instructions, Instr. 7-8; and the charge of the Hon. Loran G. Schofield in United States v. Calk, 19 Cr. 366 (LGS). 69 EFTA00074572 Expert Testimony [If applicable] You have heard testimony from a witness/certain w