The StateMail Fraud ChargedRICHMOND (UPI) - A U S. District Court jury deliberated for about three hours Wednesday before finding Dr. Richard M. Vaughan of Troutville guilty of 18 counts of mail fraud in connection with Medicare an) Medicaid activities.Dr. Vaughan will remain free on bond, but prohibited from practicing medicine, until sentencing on April 25. before Judge Robert R. Merfcige, Jr.Ferguson Norton, Dr, Vaughan's attorney, had argued the physician was only trying to make maaey legally die him through the federal health programs.But Asst. U.S. Atty. David A. Schneider characterized the doctor as a schemer.”