Nancy Gerwatowski, a 58-year-old Michigan woman, was arrested in July 2022 over a crime dating back 25 years after investigators followed a DNA trail linked to an ancestry test taken by her estranged granddaughter, Jenna Rose. She was charged with open homicide, involuntary manslaughter and concealing an individual’s demise. The case has now resurfaced in light of fresh scrutiny surrounding the practice of using DNA for criminal prosecution, as …