Jack the Ripper, Kosminski

DNA analysis concluded that Aaron Kosminski, a Polish immigrant, was the notorious serial killer known as Jack the Ripper.
Painter Walter Sickert - believed by some to have been the notorious serial killer - once spent the night at a Cornish pub ...
The true identity of Jack the Ripper, whose grisly murders terrorized east London in 1888, has been a mystery ever since.