Ernst GeigerActingNo biography available.Known For8.0Jack Unterweger - The Charming Serial Killer2014Fan ClubNo Nerds have favorited Ernst Geiger yet — be the first.All fan clubsFrom NerdspinFilmographyActor22014Jack Unterweger - The Charming Serial KillerFilmPolice investigator★ 8.02004Poet of Death: Jack UnterwegerFilmSelf - Criminal Investigator