From ::- BBC World News From :- BBC World News By :- Greg McKevitt Editted by :- Amal Udawatta Getty Images Agatha Christie's murder mysteries have captivated audiences for more than a century, but, 50 years after her death, she remains an enigma. A rarely heard BBC interview from 1955 reveals some of the secrets of a writer who was as complex as her plots. Dame Agatha Christie was brilliant at hiding in plain sight. She presented herself as a genial older lady in a fur coat who loved gardening, good food, family and dogs, but behind that cosy exterior she delighted in plotting best-selling stories of poisonings, betrayals and blood. And she offered few clues to the inner workings of her ingenious mind. Christie was chronically shy, but in 1955 she was persuaded to give a rare interview in her London flat for a BBC radio profile. In it she revealed how an unconventional childhood fired her imagination, why writing plays was easier than writing novels, and how she cou...