The crime world's most enduring mystery, the identity of Jack the Ripper, has plagued professional historians, criminologists, writers & amateur enthusiasts for over a hundred years. This newly updated volume offers the fullest ever overview of the Whitechapel Murders case. It collects not just the key factual evidence but also 17 different arguments as to the identity of the Ripper, including the more recent theories from Patricia Cornwell & others.