CHARLESTON, S.C. (WCSC) - Thousands of mail-in ballots across South Carolina were not counted because they lacked a voter signature, a witness signature or they were returned late.So far, the South Carolina State Election Commission reports a total of 4,331 mail-in ballots were not counted, of those, 3,127 were invalidated because of the witness signature.State lawmakers changed the voting rules this year to allow everyone to vote by mail, but battle over a witness signature dragged out and caused confusion. Initially, mail-in ballots did not need a witness signature, however a court ruling...…CHARLESTON, S.C. (WCSC) - Thousands of mail-in ballots across South Carolina were not counted because they lacked a voter signature, a witness signature or they were returned late.So far, the South Carolina State Election Commission reports a total of 4,331 mail-in ballots were not counted, of those, 3,127 were invalidated because of the witness signature.State lawmakers changed the voting rules this year to allow everyone to vote by mail, but battle over a witness signature dragged out and caused confusion. Initially, mail-in ballots did not need a witness signature, however a court ruling...WW…