Robert Gates, who served as Casey’s first chief of staff and later as CIA director, found the organization to be hidebound. “Burdened by years of bureaucratic encrustation and the lessons of the investigations of the 1970s, the D.O. set was hard-pressed for resources, unimaginative, and a blindered fraternity living on the legends and achievements of their forebears of the 1950s and 1960s,”
