Two People Who Plead Guilty Earlier This Year To Their Part In A Large Meth Trafficking Operation In Southwest Virginia, Northeast Tennessee And Georgia Have Been Sentenced In U.S. District Court In Abingdon. 46 Year Old Melissa Barrett And 45 Year Old Matthew Mullins Were Charged Along With 28 Others. Barrett Has Been Sentenced To 168 Months, While Mullins Will Serve 188 Months In Federal Prison.