Sign up for The Brief, The Texas Tribune’s daily newsletter that keeps readers up to speed on the most essential Texas news. Nate Paul, the Austin real estate investor whose relationship with Attorney General Ken Paxton was central to his September impeachment trial, was charged with new crimes by federal prosecutors on Wednesday. The U.S. attorney for the Western District of Texas filed an amended indictment charging Paul, 36, with four counts of wire fraud related to allegations that he lied to business partners who invested in real estate with his company, World Class Holdings, and its affiliates.