David WitwerDavid Witwer is a professor of history and American studies at Penn State Harrisburg and the author (with Catherine Rios) of Murder in the Garment District as well as Corruption and Reform in the Teamsters Union and Shadow of the Racketeer. Witwer alo worked in the Labor Racketeering Bureau of the New York County District Attorney's Office and served as a staff researcher at the New York State Organized Crime Task Force. Read More Read Less