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The boy who came back from the dead

7 February 2013 Last updated at 17:22 GMT

Police have never been able to identify the boy whose dismembered torso was found floating in the Thames in 2001.

Two years ago a witness said that a photograph, found in a storeroom in Germany, was the murder victim.

Now she admits she was wrong. Angus Crawford travelled to Germany and tracked down the boy in the photograph.