A friend of victim Cynthia Covert said she had not seemed herself on the day she was killed.
An American woman killed by an alligator had told a friend she wanted to get close to the large reptile.
Police in South Carolina said 58-year-old Cynthia Covert had not screamed when the alligator grabbed her in its mouth and dragged her into a pond on Kiawah Island on Friday.
