 On May 21, 2015, Sheriff Arnold and two others were the target of an FBI and Tennessee Bureau of Investigation raid related to a probe into financial and purchasing irregularities.His ownership and business interests in JailCigs was also being looked at for potential conflicts of interest by examiners from the Tennessee Comptroller's office.On May 27, 2016 Arnold, his Chief Administrator, Deputy Joe Russell, and Arnold's uncle were indicted on 14 charges by the FBI, including fraud and destruction of evidence.