Arrington, who entered the race in February, announced taking in $807,000 in the first quarter of this year, but most of that - $500,000 - came in the form of a personal loan from herself.
Katie Arrington ad aims to draw South Carolina contrast with Nancy Mace
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She added that she felt Joe Biden had been "duly elected" president, but only because members of Congress had been too hasty to certify the election results, rather than send them to states for audit.
Trump endorses Katie Arrington over Nancy Mace
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