In The Infernal Comedy: Confessions of a Serial Killer, a chamber music-theater piece opening this week in Vienna, Malkovich plays Jack Unterweger, an Austrian poet/journalist/murderer who was released from prison in 1990 following a campaign by “Viennese cafe intellectuals” – and went on to kill 11 prostitutes by strangling them with their bra straps. “[A]s a journalist for the state broadcaster, he was reporting on the very crime wave for which he was responsible.”