Investigators are combing through evidence and turning to commercial genealogy companies for DNA leads in the search for Nancy Guthrie, who was reported missing on Feb. 1. CBS News' Andres Gutierrez ...

Police continue to search for Nancy Guthrie, the 84-year-old mother of the "Today" show's Savannah Guthrie, as her disappearance nears three weeks.

DNA evidence found at the scene could help. The post Nancy Guthrie Update Today (Day 20): Investigators Consider Using THIS ...

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

Savannah is reportedly expected to "never return" to the "Today" show as the search for her kidnapped mother, Nancy, ...

From chilling surveillance footage and alleged ransom notes to DNA and a collection of gloves, here’s a look at what we know ...

Law enforcement sources have explained that they want the public to help identify potential suspects who have been flying under the radar recently.

Pima County Sheriff Chris Nanos told NBC News the DNA evidence found inside of Guthrie's home could belong to a suspect. The DNA evidence found inside of Guthrie's home is still being analyzed, ...

Delaware police have successfully used DNA genealogy, which is being considered to identify unknown DNA found in Nancy Guthrie’s Arizona kidnapping.

From chilling surveillance footage and alleged ransom notes to DNA and a collection of gloves, here’s a look at what we know ...

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.

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 in a DNA database would have been a dead end.