A genetic genealogist predicts DNA results in the Nancy Guthrie disappearance could take months after the FBI received a hair ...

TUCSON, Ariz. (KOLD/Gray News) - The Pima County Sheriff’s Department updated its investigation on Friday into Nancy Guthrie’s disappearance. The department said new DNA samples from the Guthrie home ...

We tested 7 dog DNA tests on 3 dogs to compare breed accuracy, health screening, and speed. These kits delivered the most ...

Thousands of cold cases could be solved after a breakthrough in DNA profiling. Forensic scientists from Interpol have developed a new method for identifying victims and suspects from previously ...

Sources say the FBI is conducting advanced DNA analysis on evidence from the abduction of Savannah Guthrie's mother from her ...