From Sherlock Holmes' Baker Street and Jack the Ripper' s Whitechapel to the East End of the Krays and the white-collar crooks of the City, London has played silent witness to countless crimes both real and imagined. Moreover, in print and on screen the city has exported its criminal heritage to the world, becoming a global capital of wrongdoing rivalled only by New York and Los Angeles. Yet there has never been a guide to its darker points of interest...