Blood droplets found outside of Nancy Guthrie's Tucson, Ariz., home could reveal new clues as to what happened to the ailing 84-year-old amid her terrifying abduction. In the wake of her disappearance, a former FBI agent has claimed the pattern of the blood spatter suggests she likely did not "walk out" of the house on her own, Wonderwall.com can report. Telling blood patterns A former FBI agent said blood spatter found on the front porch indicated Nancy Guthrie was likely carried out of her home.