A Big Stone Gap Virginia Man Who Admitted To Drug Related Charges In U.S. District Court In Abingdon Has Been Ordered To Serve Time In Prison. 54-Year-Old Sammy McMahan Was Sentenced To 10 Years After Pleading Guilty To Conspiring To Distribute And Possess With The Intent To Distribute 500 Grams Or More Of Meth. He Was One Of 21 People Charged In A Meth Ring That Operated Throughout Wise And Lee Counties.