Add Yahoo as a preferred source to see more of our stories on Google. In an aerial view, Pima County sheriff's officers gather on Nancy Guthrie's property on February 17 in Tucson, Arizona. - Brandon ...

An expert said DNA could still be the key to solve the Nancy Guthrie disappearance mystery as the case entered its 11th week ...

Built to let evidence speak for those who cannot, the SAI.Kit helps preserve crucial evidence in sexual assault cases, ...

Authorities have recovered DNA from Nancy Guthrie’s Arizona home that doesn’t belong to anyone “close” to her as the investigation into her disappearance continues. “DNA other than Nancy Guthrie’s and ...

Suggested Citation: "Executive Summary." National Research Council. 1996. The Evaluation of Forensic DNA Evidence. Washington, DC: The National Academies Press. doi: 10.17226/5141. This committee was ...

In an aerial view, Pima County sheriff’s officers gather on Nancy Guthrie’s property on Tuesday in Tucson, Ariz. | Brandon Bell, Getty Images via CNN TUCSON, Ariz. (CNN) — Only a few years ago, ...

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.