Question: The pornahraphic film based on the unidentified killer of four men and three women, in the Bay Area in the 1960's and 1970's was released in what year?
Sentence (from "Bjugn affair"): The Bjugn affair in 1992 in Bjugn, Norway, started with the arrest of three women and four men and led to one, Ulf Hammern, being charged for allegedly having molested children.
Relevant evidence: No