Question: Jack is a 2015 Austrian thriller film about serial killer Jack Unterweger, was an Austrian serial killer who murdered prostitutes in several countries, and first convicted of a murder, in which year?
Sentence (from "Dexter (episode)"): The pilot introduces the series' protagonist, Dexter Morgan (Michael C. Hall), a Miami Metro Police Department blood spatter analyst with a double life as a serial killer.
Relevant evidence: No