(May 3, 2018, 1:15 PM EDT) -- RALEIGH, N.C. — A state trial court did not err in admitting expert testimony from a police crime lab technician, a North Carolina appeals court panel held May 1 in affirming a man’s conviction for possession of crack cocaine (State of North Carolina v. Paul Arnold Gray, No. COA17-508, N.C. App., 2018 N.C. App. LEXIS 428)....