The final known moments of an American woman who vanished during a Caribbean vacation have been revealed as her family desperately searches for answers. Waddell was staying at an Airbnb with a friend, who became concerned after she failed to return from the beach. Family spokesperson Amanda Romano-Harmon said surveillance footage captured Waddell swimming near a pier between noon and 1 p.m. before she disappeared from view. “There was an area bar and grill that has a camera that faces out towards that pier in the bay. Waddell, the founder of a North Carolina physical therapy center, had traveled to Grenada for an unknown reason.