A forensic scientist surmised that Nancy Guthrie's kidnapper left loads of his DNA in her home when she was abducted.

It’s been six weeks since Nancy Guthrie disappeared from her Tucson home. Investigators are being told to start from scratch.

An investigation initially punctuated by ransom notes and public pleas from family members for Nancy Guthrie’s release has since transitioned to investigators seeking results from DNA evidence ...

According to sources close to the investigation, there are concerns that DNA recovered from Nancy Guthrie's home may not yield a usable profile for comparison.

Nancy Guthrie disappearance case investigation latest big breakthrough update shows Uber ride review, DNA analysis, and surveillance checks. FBI and Pima County Sheriff continue probe. Rewards ...

MANASSAS PARK, Va. (7News) — CONTENT WARNING: The details in this story could be graphic to some. Viewer discretion is advised. Court documents revealed what DNA evidence was collected during the ...

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 ...

NORTH CHARLESTON, S.C (WCIV) — There will soon be a new tool to fight and solve crime across the Lowcountry, with the Tri-County Biological Science Center on Leeds Avenue building unveiled today. The ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...