A top FBI official is clarifying reports regarding critical new DNA information being found at Nancy Guthrie's home in Tuscon ...

A strand of DNA recovered from Nancy Guthrie’s Arizona home is undergoing extensive testing at the FBI’s crime lab as the ...

The 84-year-old mother of "Today" host Savannah Guthrie is believed to have been taken against her will from her Tucson, Ariz., home in the early morning hours of Feb. 1 Don Arnold/WireImage; FBI ...

DNA evidence recovered at Nancy Guthrie's Arizona home is still undergoing testing at the FBI's crime lab as the search for ...

The 84-year-old mom of 'Today's Savannah Guthrie has been missing since Feb 1.

A strand of DNA. An eerie doorbell video. The investigation into Nancy Guthrie's disappearance reaches 100th day with no sign of a breakthrough.

In this May 4, 2015, file photo, Australian-born presenter, Savannah Guthrie poses alongside her mother Nancy Guthrie during a production break while hosting NBC’s ‘Today Show’ live from Australia at ...

TUCSON, Arizona — The FBI is analyzing what authorities describe as potentially critical DNA evidence in the ongoing investigation into the disappearance of 84-year-old Nancy Guthrie, a case that has ...

A top FBI official is clarifying reports regarding critical new DNA information being found at Nancy Guthrie's home in Tuscon, Ariz. "This is not new evidence or information. FBI asked to test this ...

PIMA COUNTY, Ariz. -- The FBI recently received and is now analyzing potentially critical DNA recovered months ago from the Tucson, Arizona, home of Nancy Guthrie, sources familiar with the ...

The FBI recently received and is now analyzing potentially critical DNA recovered months ago from the Tucson, Arizona, home ...