Nancy Guthrie, the mother of 'Today Show' co-anchor Savannah Guthrie, has been missing for 20 days now, but there have been no concrete updates about her whereabouts until now.

Investigators are hopeful that some of the DNA that was found at Guthrie's home can be parsed and help point to a suspect in her disappearance.

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 ...

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 ...

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

In 2008, genetic research suggested that Ötzi’s maternal lineage was extinct. His mitochondrial DNA (mtDNA) carried a rare signature never observed in any living person, leading researchers to ...

Authorities trying to solve the disappearance of Nancy Guthrie say they might tap DNA genealogy databases, the same step that police took to unravel other high-profile cases.

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 ...

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 ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first used for cold cases — is helping to solve active cases as well.