Exécution

To the casual observer, there's nothing remarkable about Sylvia.  An intelligent, confident woman, Sylvia tends to keep quiet about her formidable linguistic abilities, impressive knowledge of weaponry, and skills as a markswoman. Questions about her professional life are met with bland answers about an unspectacular career in the Civil Service.  Which is only very slightly true – because until recently, Sylvia was a high-ranking British spy. 

20/20 continues to combine hard-hitting investigative reports, newsmaker interviews and compelling human interest and feature stories.

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