Jack the Ripper.

 It remains a mystery to. And formidable than expected but still remains a mystery in our minds. Serial killer Jack the Ripper to capture the criminals did not. The mode of killing multiple victims was consecutive to the story. East End district of London, the notorious to the horrors. Not only is the sign of the killer or the forensic evidence was not developed as expected. There is no reason. The strongest evidence for a bunch of murderers. Of the famous murder case. It has undoubtedly occurred. More important evidence. Was formed later. It is possible to investigate Find the real killer. Although the killer was still alive, but I still hold good to know that the real killer is?