United States v. Mazarella, __ F.3d __ (9th Cir. Apr. 20, 2015) (motion for new trial granted where: (1) the government withheld exculpatory evidence in violation of Brady v. Maryland; (2) defendant's right to be free of unreasonable searches under the Fourth Amendment were violated; and (3) the district court erred in its denial of defendant's request for an evidentiary hearing and for discovery).