WORLD EXCLUSIVE: Jack the Ripper unmasked: How amateur sleuth used DNA breakthrough to identify Britain’s most notorious criminal 126 years after string of terrible murders Read more: http://www.dailymail.co.uk/news/article-2746321/Jack-Ripper-unmasked-How-amateur-sleuth-used-DNA-breakthrough-identify-Britains-notorious-criminal-126-years-string-terrible-murders.html#ixzz3Ccdj1WIu Follow us: @MailOnline on Twitter | DailyMail on Facebook