Summers' 1980 book Conspiracy was updated in 2013 as Not in Your Lifetime: The Defining Book on the JFK Assassination. In the latest version, he implicated Cuban exile Herminio Diaz, an employee of Santo Trafficante, as a grassy knoll shooter in the assassination of John F. Kennedy. [video=youtube;f6TOkiUqHDQ]https://www.youtube.com/watch?v=f6TOkiUqHDQ[/video]