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Diana, Princess of Wales - security code name 'Purple Five Two' - travelled all over the world during her incredible life. Wherever she went, in public or in private, she was shadowed by her Scotland Yard personal protection officer, Inspector Ken Wharfe, whose job it was it keep her safe, even to the extent of sacrificing his own life, if necessary.

Guarding Diana - Protecting The Princess Around the World: Protecting The Princess Around The World