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 ...

The work demonstrates the power of ancient DNA to illuminate human biology and medicine in addition to history. A massive ...

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 ...

Jonathan Vigliotti is a CBS News correspondent based in Los Angeles. Vigliotti's reporting has taken him to more than three dozen countries and territories across six continents. Senior producer, CBS ...

A genetic genealogist said it is possible that there is still some DNA evidence at Nancy Guthrie’s home, as the investigation ...

Investigators are analyzing DNA evidence from the home of missing 84-year-old Nancy Guthrie. Previous DNA testing on gloves found two miles away did not produce a match in the FBI's national database.

DNA recovered from inside Nancy Guthrie's house may not provide enough evidence to help investigators identify the people behind the disappearance of the mother of "Today" show co-host Savannah ...