A CIA operations officer and former FBI special agent pleaded guilty yesterday to fraudulently obtaining her U.S. citizenship and to using her access to FBI computers to check on investigations into her brother-in-law, a Hezbollah-linked businessman. Lebanese-born Nada Nadim Prouty, 37, of Vienna, Va., pleaded guilty in U.S. District Court in Detroit to charges of fraudulently obtaining U.S. citizenship by paying for a sham marriage; unlawfully accessing a federal computer system; and conspiracy to defraud the United States... As part of the plea agreement, Prouty faces less than a year in jail but will be stripped of her U.S. citizenship....