My dad immediately suspected that the CIA had killed Uncle Jack. After Hoover’s call, he called a yet-unidentified CIA official and asked point-blank, “Did your outfit have anything to do with this horror?” Then my father invited McCone to take a walk with him in the yard. Out of earshot of my mother, he asked McCone whether the CIA had killed his brother. McCone denied it. According to historian David Talbot, McCone himself later concluded there had been more than one gunman.