(June 11, 2019, 9:13 AM EDT) -- ST. LOUIS — A trial court properly used its discretion to allow, without a hearing under Daubert v. Merrell Dow Pharmaceuticals Inc., 509 U.S. 579 (1993), expert police officer testimony on the characteristics of drug dealing before finding the defendant guilty and sentencing him to more than 51 years in prison, the Eighth Circuit U.S. Court of Appeals determined May 30 (United States v. Terreall McDaniel, No. 18-1477, 8th Cir., 2019 U.S. App. LEXIS 16096)....