LOS ANGELES – Vincent Bugliosi, a prosecutor who parlayed his handling of the Charles Manson trial into a career as a bestselling author, has died, his son said Monday night. He was 80 years old. Bugliosi, who had struggled with cancer in recent years, died Saturday night at a hospital in Los Angeles, his son, Vincent Bugliosi Jr., told The Associated Press. Bugliosi Jr. said his father had "an unflagging dedication to justice" in everything he did.