With unique access to police archive records Glen Campbell uncovers the real events behind President John F Kennedy's last visit to Britain, to Harold Macmillan in his country home in Sussex, four months before the assassination in Dallas. Containing interviews with former PM Gordon Brown, Macmillan's grandson The Earl of Stockton as well as the US Secret Service man who was also in charge of the President's advance security that fateful day in Dallas on November 22nd 1963.