In the latest updates in the Nancy Guthrie case, the FBI has reportedly begun testing a key DNA sample. The 84-year-old ...

Federal Bureau of Investigation (FBI) analysts have begun advanced DNA testing on a hair sample from the Tucson, Arizona, ...

Brian Entin said a ‘hair sample’ from Nancy Guthrie’s home could be important in her ongoing case.

New forensic developments have emerged in the case involving Nancy Guthrie, as the FBI reviews DNA evidence linked to her ...

The FBI DNA hair sample Nancy Guthrie case has reached a critical forensic moment in 2026. Federal investigators now hold DNA ...

The Pima County Sheriff’s Department is addressing its coordination with federal agencies as the investigation continues.

Sources told Fox News Digital that the Federal Bureau of Investigation (FBI) has received DNA evidence collected from Nancy ...

The FBI is now utilizing new technology to conduct advanced analysis on the DNA sample.

A hair sample recovered at Nancy Guthrie's home is being analyzed by law enforcement.

Eleven weeks into the investigation of Nancy Guthrie's disappearance, authorities have yet to make an arrest. The FBI has ...

The FBI is analyzing potential DNA evidence in the Nancy Guthrie case as investigators search for answers in the ...

Nancy Guthrie case update as sheriff’s department issues first statement in weeks, confirming FBI involvement and ongoing DNA analysis.