The door to the medicine cabinet was dangling from its hinges and the bathtub was full of blood. Shele Danishefsky Covlin was wrapped in a comforter on the floor when police arrived, the blood still streaking through her long blond hair. Her estranged husband, Roderick Covlin, told police his wife had had a terrible accident, that she slipped and fell in the tub and that his 9-year-old daughter called him screaming early the morning of Dec.