FOR WYFF NEWS 4 AT 11. AND IT’S A NICE DATELINE EPISODE RETURNS TO THE STORY OF HEATHER ELVIS. YOU MAY REMEMBER SHE’S THE YOUNG WOMAN WHO DISAPPEARED FROM MYRTLE BEACH IN 2013 TONIGHT DATELINE SPEAKS WITH TAMMY MOORE THE WOMAN FOUND GUILTY OF KIDNAPPING HEATHER, IT’S HER INTERVIEW SINCE SHE WAS CONVICTED HEATHER IS STILL MISSING. MUCH DATELINE RETURN TO THE LA