How did the subject of the 2015 Austrian thriller film "Jack" die?
Jack Unterweger Johann "Jack" Unterweger (16 August 195029 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.
John Martin Scripps John Martin (born John Martin Scripps, 9 December 1959 – 19 April 1996) was an English spree killer who murdered three tourists—Gerard Lowe in Singapore, and Sheila and Darin Damude in Thailand—with another three unconfirmed victims. He posed as a tourist himself when committing the murders, for which British tabloids nicknamed him "the tourist from Hell". He cut up all his victims' bodies, using butchery skills he had acquired in prison, before disposing of them.