Question: Who directed the 1985 film that details the serial killer who claimed to have killed over 3000 people, and who's confessions often contained inconsistencies or improbable logistics?
Sentence (from "Sture Bergwall"): Sture Ragnar Bergwall (born 26 April 1950), also known as Thomas Quick in 1993–2002, is a Swedish man previously believed to have been a serial killer, having confessed to more than 30 murders while incarcerated in a mental institution for personality disorders.
Relevant evidence: No