Photograph of William Kunsman, a friend of murdered psychologist Kathryn Faughey, by Ed Koskey Jr./AP The police questioned a friend of Upper East Side psychologist Kathryn Faughey, who was brutally murdered in her office Tuesday night. William Kunsman, who resides in Pennsylvania, voluntarily went to a PA state police barracks in Bethelem for hours of questioning before he was released. The police have declined to say whether Kunsman is a suspect, but they were......