"1994Z"^^ . "H\u00E4fenpoet (prison poet),"@en . . "Johann \"Jack\" Unterweger (16 August 1950 \u2013 29 June 1994) was an Austrian serial killer who murdered prostitutes in several countries. First convicted of a 1974 murder, he was released in 1990 as an example of rehabilitation. He became a journalist and minor celebrity, but within months started killing again. He committed suicide following a conviction for several murders. Austrian psychiatrist Dr. Reinhard Haller diagnosed him with narcissistic personality disorder in 1994."@en . "The Vienna Strangler"@en . "1950Z"^^ . "Jack the Writer,"@en . . "1950-08-16Z"^^ . . "Unterweger, Jack"@en . . "1994-06-29Z"^^ . . "Austrian serial killer" .