Fetzer, a retired University of Minnesota Duluth professor now living in Wisconsin, and Mike Palacek co-wrote a book, “Nobody Died at Sandy Hook” in which they claimed the Sandy Hook shooting never took place but was instead an event staged by the federal government as part of an Obama administration effort to enact tighter gun restrictions. A judge earlier ruled Pozner was defamed by statements in the book that claimed he fabricated copies of his son’s death certificate.