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Case 1:20-cr-00330-PAE Document507- Filed 11/24/21 Page15 of 28 In any event, no information about the bases of Dr. Hall’s opinions can satisfy the requirements of Rule 703. Pursuant to that Rule, although an expert may rely on hearsay in forming his opinion, the “expert may not, however, simply transmit that hearsay to the jury.” United States v. Mejia, 545 F.3d 179, 197 (2d Cir. 2008). Instead, “if facts or data would otherwise be inadmissible, the proponent of the opinion may disclose them to the jury only if their probative value in helping the jury evaluate the opinion substantially outweighs their prejudicial effect.” See Fed. R. Evid. 703. Here, the probative value of relaying the hearsay would be essentially nil: | — Go DOJ-OGR-00008056