A Giles County man faces charges after he used drugs that he purchased using TennCare benefits to manufacture crystal methamphetamine. John Robinson was taken into custody by the Giles County Sheriff's Department on Wednesday. The 32-year-old is charged with TennCare fraud, as well as one count of manufacturing meth, among other charges. Robinson is also accused of using the state's healthcare benefits to obtain a prescription drug that contained pseudoephedrine, a precursor in the manufacture of methamphetamine.If convicted, the TennCare fraud charge against Robinson could result in a two year sentence. Suspected TennCare fraud can be reported by calling 1-800-433-3982.