District Attorney John Woodall said he 's thinking about filing fraud charges . Former University of North Carolina professor Julius Nyang'oro is key figure in case . Woodall said his most important aim is the full disclosure of Nyang'oro . Whistleblowers say the Justice Department uses these classes to keep athletes eligible .
District Attorney Jim Woodall said he 's thinking about withdrawing fraud charges . Former University of North Carolina professor Julius Nyang'oro is key figure in case . Woodall said his most important aim is the full cooperation of Nyang'oro . Whistleblowers say the Athletic Department used paper classes to keep athletes eligible .