 Following his retirement from the Navy, he was a port director in Milwaukee, Wisconsin before being removed from the post.Hoffmann claimed he got involved with the Swift Boat Veterans for Truth after reading Douglas Brinkley's book "Tour of Duty", which, among other things, detailed Kerry's Swift Boat duty in Vietnam; he told "The Washington Post", "I couldn't bear that someone was betraying us and being a dastardly liar.If I can be any more plain than that, I don't know."