Investigators returned to Nancy Guthrie's Tucson neighborhood as the search for the missing 84-year-old entered its 22nd day.

Investigators in the Nancy Guthrie case have turned to genetic genealogy as they try to make the most of potential DNA ...

Nancy Guthrie went missing 21 days ago. Few leads have publicly emerged about where Guthrie is or who may have taken her as ...

We're entering day 22 since 84-year-old Nancy Guthrie vanished from her Tucson home and now the investigation is facing a ...

DNA challenges have complicated the Nancy Guthrie missing person case as mixed samples delay analysis, Pima County Sheriff ...

Here's what to know about the DNA evidence collected so far in the investigation into Savannah Guthrie's missing mother and ...

The DNA profile was recovered from gloves found during the investigation into the disappearance of Nancy Guthrie in Arizona.

Glove found near Nancy Guthrie’s Tucson home showed no matches in the FBI’s DNA database. The 84-year-old woman has been ...

Investigators in the Nancy Guthrie disappearance say DNA from gloves did not match any entries in a national database.

If unknown DNA evidence can be connected to someone in a genealogical database, it could lead investigators to a suspect in ...

Pima County Sheriff Chris Nanos revealed that there are problems with the DNA evidence collected from Nancy Guthrie’s house ...

Advanced DNA testing using genealogy databases could take weeks or months to identify Nancy Guthrie's abductor after initial ...