Verkkothree whistleblowers helped the irs recover $263 million from a single individual, whom lawyers say ran an offshore tax evasion scheme for more than a decade. Verkkoa federal grand jury in roanoke returned a sealed indictment earlier this month charging 24 individuals from the greater roanoke area with wire fraud,. Verkkothe doj said a roanoke federal grand jury returned a sealed indictment in july for the two dozen people, accusing them of wire fraud,.