COLUMBIA, S.C. — A longtime friend of South Carolina attorney Alex Murdaugh now faces 18 charges involving the theft of more than $3 million in insurance money from the family of Murdaugh’s dead housekeeper, according to newly unsealed court documents.An indictment made public Wednesday accuses Cory Fleming of working with Murdaugh to defraud the sons of Gloria Satterfield, who died following a fall at the Murdaugh home in 2018, by suing Murdaugh on behalf of the sons but diverting the resulting insurance payouts to …