A Bexar County review that apparently found illegal voting by undocumented immigrants has triggered a county investigation of voter fraud and a federal probe of false citizenship claims. County and federal officials acknowledged this week that they are looking into whether up to 41 non-citizens voted illegally in San Antonio, some repeatedly, in more than a dozen local, state and federal elections between 2001 and this year. Bexar County District Attorney Susan Reed's office has joined the investigation, which began in late May when the Homeland Security Department's Immigration and Customs Enforcement requested a report prepared by Bexar County Elections...