 Although billed as a true story, the French in French Guiana claim  that much of the story of Henri Charriere (qv) (Papillon) is  fabricated. Papillon was documented to have been incarcerated in  Saint Laurent and may have escaped from there, but he never served  any time on the Devils Islands (now known as Iles du Salut or  Salvation Islands). The book and movie both present Devils Island  as having rocky cliffs, when in fact, though the entire island is  rocky, it gently slopes into the surrounding sea.