A judge dismissed indictments against Vice President Dick Cheney and former Attorney General Alberto Gonzales on Monday and told the southern Texas prosecutor who brought the case to exercise caution as his term in office ends... Administrative Judge Manuel Banales...withheld judgment on whether probable cause existed for the Cheney and Gonzales indictments because they were not represented in court and did not present any argument. For the other defendants, he found no probable cause to support the charges... Three of the eight indictments returned Nov. 17 targeted private prison operator The GEO Group,...Cheney and Gonzales, as part of an investigation into prisoner abuse at privately run federal prisons in the county... The indictment against Cheney alleged that his personal investment in the Vanguard Group, which invests in private prison companies, made him culpable in alleged prisoner abuse at privately run federal detention centers.