SPRINGFIELD, MO (STL.News) – Six southern Missouri residents are among 15 defendants indicted by a federal grand jury for their roles in a large-scale methamphetamine conspiracy that involved multi-pound shipments of methamphetamine transported from Arizona to Missouri. Gregory L. Hopper, 34, and Amanda L. Robinson, 27, both of Springfield, Mo.; Leslie T. Ray, 49, and Melissa D. Melencamp, 42, both of Branson, Mo.; Olivia L. Fluke, 34, of Reeds Spring, Mo.; Jason C. Brookshire, 37, of Aurora, Mo.; Manual Edgardo Cortez, also known as “Manny,” 44, Mel Chevez Arnold, 57, Estelle E.