 Through painstaking and dogged effort, LWT had managed to locate and persuade most of these original key lay witnesses, many of whom had refused to even talk to the media for years, to testify...There would be absolutely no script...and no actors would be used.In 2007, Bugliosi told Cynthia McFadden of ABC News that in the preceding seven years, he had devoted 80 to 100 hours per week working on the book.The book is divided into several major parts, including a detailed chronology of the events of the assassination, as well as an exploration of the major conspiracy theories, a chapter on the trial of Jack Ruby, and a chapter featuring Bugliosi's interviews with Marina Oswald.