In 1888, Whitechapel was terrorized by a killer history would call Jack the Ripper.More than a century later, a controversial DNA analysis brought one name back into focus: Aaron Kosminski, a barber who lived near the crime scenes and was known to police at the time. In 2007, researcher Russell Edwards acquired a shawl believed to be linked to victim Catherine Eddowes and commissioned forensic tests.The analysis, conducted by Jari Louhelainen, focused on mitochondrial DNA and suggested a link to