Russell Johnson, a contract instructor for Thermo Scientific, demostrates the new TruNarc Handheld Narcotics Analyzer that the Arkansas State Police received during a press conference at Police headquarters in Little Rock Wednesday, Oct 10, 2018. (Arkansas Democrat-Gazette/MITCHELL PE MASILUN) FAYETTEVILLE -- Police officers who deal with illegal drugs in Northwest Arkansas are getting a new electronic device that can identify most of the dangerous drugs they encounter while reducing the chances of exposure, making the process much safer.The Already a subscriber? Log in!