English historian and author Russell Edwards said DNA found on a shawl recovered from the scene of one of the killer’s vicious slayings was tested, revealing the butcher who terrorized Victorian London’s East End in the late 1800s was a 23-year-old Polish immigrant named Aaron Kosminski — who died in a mental institution in 1919. https://nypost.com/2025/02/15/world-news/jack-the-rippers-identity-revealed-after-dna-breakthrough-historian/