Still, he's garnered some high-profile conservative endorsements as election day approaches. In addition to the Tea Party Express, FreedomWorks — another prominent Tea Party organization — announced its support. Sanford has also been endorsed by Sen. Rand Paul (R-Ky.), Sen. Lindsey Graham (R-S.C.), and Sen. Tim Scott (R-S.C.), whose appointment to the Senate to replace Jim DeMint opened the congressional seat for a special election.
A poll released Friday from the website RedRacingHorses.com showed Sanford and Colbert Busch in a dead heat, with both candidates receiving 46 percent of the vote.
--This report was originally published at 1:44 p.m. and last updated at 2:09 p.m.