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Jack Unterweger was born on 16 August 1950 in Judenburg, Styria, Austria. He was a writer, known for Fegefeuer oder die Reise ins Zuchthaus (1988), The Infernal Comedy: Confessions of a Serial Killer (2010) and Wahre Verbrechen (2021). He died on 29 June 1994 in Graz, Styria, Austria.
