Watch: Savannah Guthrie's Missing Mom Nancy Guthrie May Have Been Abducted, Police SayThe search for Nancy Guthrie continues. As authorities continue to investigate the disappearance of Savannah Guthrie's mother, Pima County Sheriff Chris Nanos confirmed they found DNA evidence at Nancy's home, which has been declared a crime scene. "We took some samples that we hope will have enough of a DNA profile," he told NBC News in a report shared on Today Feb. 3, "that will give us some identification as to what we're looking at.