Who is Gutkind in the book, J: A Novel?

Detective Inspector Eugene Gutkind is an odd, lonely, and very moral man who seeks to solve a triple murder in Port Reuben. Gutkind’s wife has left him due to his paranoia and pursuit of the truth relating to WHAT HAPPENED. Gutkind has privately researched WHAT HAPPENED, only to learn that it never actually happened. He knows his grandfather, Clarence Worthing, helped Jews to escape during the deadliest days after the exaggerated event. Gutkind believes he would have also done the same. Gutkind himself is ultimately murdered by Densdell after revealing the truth about WHAT HAPPENED.