A strand of DNA recovered from Nancy Guthrie’s Arizona home is undergoing extensive testing at the FBI’s crime lab as the ...

Nancy Guthrie, the 84-year-old mother of Today show anchor Savannah Guthrie, was reported missing on February 1.

SCOTTSDALE, Ariz. - A judge in Maricopa County has thrown out the DNA sample that led to the arrest of a man accused of killing a Scottsdale woman in 2015. The murder of Allison Feldman confounded ...

SCOTTSDALE, Ariz. - The state of Arizona is appealing a ruling regarding the use of a suspect's DNA in connection to the murder of Allison Feldman, a Scottsdale woman who was killed in 2015. It took ...

Contamination and other errors in DNA analysis have occurred at the Washington State Patrol crime labs, most of it the result of sloppy work. The most common problems are cross-contamination by ...

The FBI DNA hair sample Nancy Guthrie case has reached a critical forensic moment in 2026. Federal investigators now hold DNA data extracted from a hair sample recovered inside the home of Nancy ...

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