Question: Helter Skelter is a true crime book, released in which year, by Curt Gentry and Vincent Bugliosi, an American attorney and "New York Times" bestselling author?
Sentence (from "Vincent Bugliosi"): Although Manson did not physically participate in the murders at Sharon Tate's home, Bugliosi used circumstantial evidence to show that he had orchestrated the killings.
Relevant evidence: No