Mealey's (November 4, 2019, 11:15 AM EST) -- RICHMOND, Va. — The use of a “filter team” to review attorney-client privileged materials for documents responsive to a federal search warrant “inappropriately assigned judicial functions to the executive branch,” a Fourth Circuit U.S. Court of Appeals panel ruled in an Oct. 31 opinion, explaining a previously issued interim order reversing a trial court’s denial of a law firm’s request that seized materials be reviewed by a magistrate judge rather than the government (In re: Search Warrant Issued June 13, 2019, No. 19-1730, 4th Cir., 2019 U.S. App. LEXIS 32600)....