MADISONVILLE, Ky. – Six people are now formally charged in connection with a Madisonville drug distribution investigation. According to a release by the United States Attorney’s Office for the Western District of Kentucky, after a joint state and federal investigation led by the DEA and the Madisonville Police Department, six people are facing drug distribution-related charges. According to an indictment, 34-year-old Traviel Civils of Madisonvil…