GREENEVILLE, Tenn. - On July 14, 2015, Desera Jade Allen, 27, and David Michael Stallard, 20, both of Kingsport, Tenn., were sentenced by the Honorable R. Leon Jordan, U.S. District Court Judge, to serve 151 months and 56 months in prison respectively for their roles in an extensive a-(alpha-pyrrolidinopentiophenone) distribution...