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LONDON, ENGLAND - JANUARY 25:  A Banksy artwork is created opposite the French embassy on January 25, 2016 in London, England. The graffiti, which depicts a young girl from the musical Les Miserables with tears in her eyes as CS gas moves towards her, criticises the use of teargas in the 'Jungle' migrant camp in Calais.  (Photo by Carl Court/Getty Images)
LONDON, ENGLAND - JANUARY 25:  A Banksy artwork is created opposite the French embassy on January 25, 2016 in London, England. The graffiti, which depicts a young girl from the musical Les Miserables with tears in her eyes as CS gas moves towards her, criticises the use of teargas in the 'Jungle' migrant camp in Calais.  (Photo by Carl Court/Getty Images)

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Revealing famous street artist Banksy

Geographic profiling is being used to uncover the mysterious and elusive street artist Banksy. CNN's John Vause reports.

Revealing famous street artist Banksy

Geographic profiling is being used to uncover the mysterious and elusive street artist Banksy. CNN's John Vause reports.