Nancy Guthrie was taken from her home in Tucson, Arizona, more than two weeks ago and remains missing. Authorities have yet ...

Explore how genetic genealogy is being used to solve cold cases, including the disappearance of Nancy Guthrie, and the challenges it faces.

Authorities said the investigation into the disappearance of 84-year-old Nancy Guthrie, mother of "Today" show co-host Savannah Guthrie, is entering a new phase as DNA evidence yields no matches and ...

The search for 84-year-old Nancy Guthrie enters a critical new phase as the reward for her safe return reaches $300,000. Following a major contribution from a Milwaukee-based donor, investigators in ...

Daphne O. Martschenko and Sam Trejo both want to make the world a better, fairer, more equitable place. But they disagree on ...

Investigators looking into the kidnapping of Nancy Guthrie believe the case would soon have to move into a new phase with ...

For neither history nor biology has ever supported the comfort of simple stories.

Nancy Guthrie's disappearance is approaching the point where big, round the clock deployments often become harder to sustain, ...

Twenty suspects are now the focus as the FBI identifies names and photos in the Nancy Guthrie disappearance. Agents are canvassing gun shops with "photo packets" to find the owner of a black Ozark ...

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

Only a few years ago, Tuesday’s announcement that a glove believed to be connected to the disappearance of Nancy Guthrie in Tucson, Arizona, had no match to a DNA database would have been a dead end.

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