The following excerpt is from In re Extradition of Ameen, No. 2:18-mj-152-EFB (E.D. Cal. 2019):
4. It bears emphasizing that the Federal Rules of Evidence do not apply in extradition hearings. See Then v. Melendez, 92 F.3d 851, 855 (9th Cir. 1996). Thus, as an example, hearsay evidence is admissible in an extradition hearing. Id. So too are unsigned translations of witness statements. Barapind v. Enomoto, 400 F.3d 744, 748 (9th Cir. 2005). Nonetheless, proper authentication remains a prerequisite.
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