Nancy Guthrie, 84, was kidnapped on Sunday, Feb. 1.

FBI uses investigative genetic genealogy to analyze DNA in Nancy Guthrie kidnapping case, the same technology that solved ...

There is additional DNA evidence that was found at the residence, and that is also being analyzed,” the sheriff's department ...

The Pima County Sheriff’s Department said Tuesday that DNA evidence gathered from a pair of gloves found near Nancy Guthrie’s ...