Jack the Ripper finally identified via DNA analysis.
Holey freaking crap!
They authenticated an item with one of his victims blood on it that had been claimed to be from have been from the crime scene. Then they identified semen stains on the item and matched the mitochondrial DNA to one of his descendants.
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
Spoilers!
Spoilers!
It was the polish hairdresser.
They authenticated an item with one of his victims blood on it that had been claimed to be from have been from the crime scene. Then they identified semen stains on the item and matched the mitochondrial DNA to one of his descendants.
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
Spoilers!
Spoilers!
It was the polish hairdresser.