Indicted along with Mr. Ford were former State Senator Roscoe Dixon of Memphis , a Democrat who is now a top aide to the Shelby County mayor , AC Wharton ; State Senator Kathryn I. Bowers , Democrat of Memphis , a former state representative who was sworn in one week ago to succeed Mr. Dixon ; State Senator Ward Crutchfield , Democrat of Chattanooga ; and State Representative J. Chris Newton , Republican of Cleveland .