Jack Unterweger

Jack Unterweger. Writer: Fegefeuer. Jack Unterweger was born on 16 August 1950 in Judenburg, Styria, Austria. He was a writer, known for Fegefeuer (1988) and The Infernal Comedy: Confessions of a Serial Killer (2010). He died on 29 June 1994 in Graz, Styria, Austria.