Over four decades after a teenager was murdered, DNA found on a discarded cigarette has helped authorities catch her killer. Sarah Geer, 13, was last seen leaving her friend’s house in Cloverdale, ...

Investigators in the Nancy Guthrie case have turned to genetic genealogy as they try to make the most of potential DNA ...

As the Nancy Guthrie abduction case stretches into a third week, investigators — and a public riveted by every mysterious ...

Saturday marks Day 21 since Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, disappeared from ...

The DNA from a glove found near Nancy Guthrie's home is still being analyzed in a private lab in Florida. The Pima County ...

The number of DNA profiles being studied and other details were not being released because of the active investigation, a sheriff's spokesperson said.

With the search for Nancy Guthrie in its third week, law enforcement is analyzing DNA evidence and looking at her pacemaker ...

DNA is the blueprint of life. Genes encode proteins and serve as the body's basic components. However, building a functioning ...

When a homicide detective in California’s Central Valley last year reopened the investigation into the unsolved killing of a bakery owner, she turned to an increasingly popular forensic tool credited ...

Authorities trying to solve the disappearance of Nancy Guthrie say they might tap DNA genealogy databases, the same step that ...