FILE - In this Nov. 29, 2011 file photo, Republican presidential candidate and former House Speaker Newt Gingrich speaks during a town hall rally in Bluffton, S.C. Gingrich was in town to open the Newt 2012 Beaufort County field office in downtown Bluffton. South Carolina's Republican presidential primary mirrors the national contest, with Newt Gingrich enjoying something of a boom as the GOP continues its potentially fruitless search for an alternative to perceived front-runner Mitt Romney. (AP Photo/Stephen Morton, File)
January 20, 2012 9:36:48 PM PST
CHARLESTON, S.C. (AP) - January 20, 2012 --
A South Carolina prosecutor says officials will launch an investigation into fake emails aimed at Newt Gingrich's presidential campaign.