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"): During his eight years in the Los Angeles County district attorney's office, he successfully prosecuted 105 out of 106 felony jury trials, which included 21 murder convictions without a single loss.
Relevant evidence: No