Diana: Case Solved

“This particular phase in my life is the most dangerous. My husband is planning ‘an accident’ in my car, brake failure and serious head injury in order to make the path clear for him to marry.” —Letter written by Princess Diana, late 1996
 
It is a moment that remains frozen in history. When the Mercedes carrying Diana, Princess of Wales, spun fatally out of control in the Pont de l’Alma tunnel in...