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Portrait Of A Killer: Jack The Ripper - Case ClosedHowever, two sheets of paper each have a sequence of numbers that came from a single donor - or only one person: One sheet is James McNeill Whistler, and the other is a partial postage stamp on the back of a letter the Ripper wrote to Dr. Thomas Openshaw, the curator of the London Hospital Museum. The Whistler sequence has nothing in common with any Ripper letter or any other non-Whistler item tested. But the Openshaw sequence is found in five other samples. These five samples are not single-donor, as far as we can tell at this point, and show a mixture of other base positions or "locations" in the mitochondrial region. This could mean that the sample was contaminated by the DNA of other people. A drawback in our testing is that the ever-elusive Walter Sickert has yet to offer us his DNA profile. When he was cremated, our best evidence went up in flames. Unless we eventually find a premortem sample of his blood, skin, hair, teeth, or bones, we will never resurrect Walter Richard Sickert in a laboratory. But we may have found pieces of him ...» |
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