The plea agreement was signed by Frost and his attorney on Friday and by Assistant U.S. Attorney Frank Dale Jr. on Tuesday. Even though he has knowingly and voluntarily signed the plea agreement, Frost has not yet pleaded guilty, according to his attorney, Lee Davis. We have a negotiated plea with the federal government, and you’ve got a copy of that,” Davis said. Reached by phone, his one-time business partner Paul Croft expressed shock about the plea agreement. Hearing the news of the plea agreement made Dougherty giddy, he said by phone.