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The DNA extracted from the vaginal smear sperm fraction is also a mixture of DNA from at least three donors. Richard Eberling was convicted of killing a widow, 84-year-old woman in 84. Her sister also was murdered about 20 years earlier. He had what we presume, what everyone says was Maryland's ring in his possession. There seemed to be something funky happening with the DNA, with the blood or the vaginal swab.