Retired FBI agent Jennifer Coffindaffer breaks down why Annie Guthrie's car—and potentially others—hasn't been returned one ...

A former FBI agent weighs in on the Nancy Guthrie investigation, saying the right evidence could be key to cracking the case.

Savannah Guthrie's mother, 84, remains missing more than six weeks after her Tucson, Ariz., abduction.

A retired special agent weighed in as 'Today' co-anchor Savannah Guthrie's mom remains missing six weeks after her abduction.

The video shows a dozen cars traveling on a possible route away from Nancy Guthrie's home on the night she disappeared.

Neighbors in Tucson, Arizona watched in disbelief as FBI agents climbed onto the roof of Nancy Guthrie’s home and carried away a wired device, a surreal scene in the middle of a missing person ...

Nancy Guthrie, the 84-year-old mother of TODAY show host, Savannah Guthrie, has not been found over a month after she was reported missing.