 An investigation into the accident that killed Diana, Princess of Wales. How Mohammed Al Fayed has encouraged the spread of conspiracy theories throughout the world. Dispatches reveals that the truth lies in a failure of security at the Ritz Hotel in Paris. Programme includes the eye witness account of the chauffeur who handed the Mercedes over to Henri Paul. Contributions from : Thomas Sancton (Author,  Death of a Princess ), Henry Porter (London Editor, Vanity Fair), Kelly Fisher [Dodi s fiancée], Bob Loftus (Head of Secutiry, Harrods 1987-96) , Sami Nair (Senior Adviser to the French Interior Minister), Kirsty Lang (Paris Correspondent, Sunday Times), Jeffrey Steinberg, ( Executive Intelligence Review ), Brian Dodd (Former Head of Security for Mohamed Al Fayed), Roland Biribin (President, French Association of Limousine Companies),