On May 5, 1821, Napoleon Bonaparte passed away at the age of 51, after five years of exile on the island of St. Helena. More than 200 years later, Philippe Charlier reopens one of history's most famous 'cold cases,' a unique investigation into the Emperor's final moments, to try and uncover the mysteries surrounding the circumstances of his death. Was Napoleon poisoned with arsenic by his English jailers? Under what conditions did the autopsy take place—