(October 18, 2022, 1:05 PM EDT) -- SAN FRANCISCO — A Ninth Circuit U.S. Court of Appeals panel said it “would have been prudent to hold” a hearing to determine the reliability under Daubert v. Merrell Dow Pharmaceuticals Inc. of expert witnesses in a criminal trial but found that any error by the district court was harmless, confirming the convictions of three men for gang-related crimes....