Cynthia Covert was waist deep in a pond behind her friend’s home on Kiawah Island clutching a rope as her friends tried to get her away from the alligator that dragged her into the water. As her friends pulled, she calmly said, “I guess I won’t do this again,” according to a supplemental report released Tuesday by the Charleston County Sheriff’s Office. Moments later, the alligator rolled. Covert, 58, went under. The supplemental report provides further details on South Carolina’s third deadly alligator attack in four years. Covert, a Johns Island resident, was on Kiawah doing her friend’s nails, the...