(May 18, 2017, 2:46 PM EDT) -- SAN ANTONIO — The U.S. government on May 16 filed an indictment against Texas state Sen. Carlos I. Uresti and two other individuals, alleging that they engaged in a scheme to defraud investors, commit wire fraud and launder money related to an alleged Ponzi scheme involving a fracking sand company the defendants operated (United States of America v. Carlos I. Uresti, et al., No. SA-17-CR, W.D. Texas, San Antonio Div.)....