 First Lady press secretary Liz Carpenter heard the laugh and swore it was Jackson's, and Mary Todd Lincoln claimed to have heard the stomping and swearing of an invisible presence which she claimed was the uncouth Jackson.White House seamstress Lillian Rogers Parks said she was sewing in the Queen's Bedroom and felt a presence, cold air, and then a hand on the back of her chair.She quickly left the room, and for the rest of her time in the White House she refused to enter the room again without at least one other person accompanying her.