At the first meeting of the newly constituted Warren Commission, [former CIA Director] Allen Dulles handed out copies of a book to help define the ideological parameters he proposed for the Commission's forthcoming work. American assassinations were different from European ones, he told the Commission. European assassinations were the work of conspiracies, whereas American assassins acted alone.
Deep Politics and the Death of JFK (ed. Univ of California Press, 1993) - ISBN: 9780520917842