Vincent Bugliosi, the prosecutor in the Charles Manson trial who went on to write the best-selling true-crime book, Helter Skelter, has died. He was 80.
His son Vincent Bugliosi Jr. told the Associated Press on Monday night that Bugliosi died of cancer Saturday at a hospital in Los Angeles.
Bugliosi Sr. won convictions of Manson and three followers for the shocking 1969 murders of actress Sharon Tate and six others. Bugliosi turned their trial into a marathon showcase for the bizarre lifestyle of Manson and his tribe of followers known as The Manson Family.
It was the longest and most expensive criminal trial in Los Angeles history at the time.
After the trial, Bugliosi's biggest success came in true-crime and non-fiction books.
His death was first reported by KNBC-TV.
Vincent Bugliosi, prosecutor in Manson trial, dies at 80
Author Vincent Bugliosi speaks at an event promoting his new book, "Reclaiming History, The Assassination of President John, F. Kennedy", in Dallas, Thursday, May 24, 2007. (AP Photo/Tony Gutierrez)
Vincent Bugliosi, left, speaks at a news conference in Burlington, Vt., Thursday, Sept. 18, 2008. Bugliosi, the author of the book, "The Prosecution of George W. Bush for Murder." was in Vermont to support the candidacy of Progressive candidate for attorney general of Vermont, Charlotte Dennett, right.(AP Photo/Toby Talbot)
Vincent Bugliosi speaks at The Los Angeles Times Festival of Books at the University of Southern California on Sunday May 1, 2011, in Los Angeles, Calif. (AP Photo/Katy Winn)
Deputy District Attorney Vincent Bugliosi talks to the press at the L.A. County courthouse during the county grand jury hearings on the Sharon Tate murders, Dec. 1969. (AP Photo)
Vincent Bugliosi, center, chief prosecutor in the trial of Manson and three young women, talks Jan. 26, 1971 with newsmen outside the court in Los Angeles. The four defendants had just been found guilty of first degree murder. (AP Photo)
Deputy District Attorney Vincent Bugliosi arrives at a Los Angeles courtroom July 24, 1970, to present the opening argument in the trial of Charles Manson and three others for the slayings of actress Sharon Tate and six others in Los Angeles. He said a song by the Beatles inspired Manson to order the slayings in order to start a "black-white revolution." (AP Photo/Wally Fong )
Linda Kasabian, the state's principal witness against Charles Manson and three women followers in the Tate-LaBiance murder case, walks to court Feb. 24, 1971, with chief prosecutor Vincent Bugliosi in Los Angeles. She was recalled to the stand in the penalty phase of the trial at the request of Manson's attorney, Irving Kanarek. (AP Photo/Wally Fong)