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

Pima County Sheriff Chris Nanos has shared the latest in the search for Savannah Guthrie's mother, telling NBC News the case ...

The sheriff's department said that the DNA process takes time and additional DNA evidence found at the residence is being ...

In a revealing new interview, Pima County Sheriff Chris Nanos firmly confirms his belief that Nancy Guthrie's abduction was a deliberate targeted kidnapping by someone who knew their victim. He also ...

After 44 years, a jury found James Oliver Unick guilty in the 1982 cold case murder of 13-year-old Sarah Geer, thanks to DNA technology.

Fox & Friends Weekend’ co-host Griff Jenkins reports on the ongoing Nancy Guthrie case and speaks with ARCpoint Labs of ...

As the search continues for Nancy Guthrie, authorities in Pima County, Arizona, have confirmed that no DNA matches were found ...

Investigators continued following leads after DNA evidence from gloves believed to have been worn by Nancy Guthrie's abductor ...

With the search for Nancy Guthrie in its third week, law enforcement is analyzing DNA evidence and looking at her pacemaker ...

To help identify a suspect, investigators are using a high-tech DNA tool that’s helped solve high profile cases in recent years, as they also go door to door and ask gun shop owners in the Tucson area ...

An FBI spokesperson told Fox News on Sunday that out of several gloves recovered during the search for 84-year-old Nancy ...

DNA from gloves found two miles from Nancy Guthrie's home doesn't match DNA in the FBI database. Investigators explore ...