Officials insist the investigation is still in full force and that they have some solid clues, including blood drops on the ...

Investigators are hopeful that some of the DNA that was found at Guthrie's home can be parsed and help point to a suspect in ...

Law enforcement agencies have yet to name a suspect, but they are looking for a man seen on surveillance camera outside Guthrie's home wearing a mask and gloves and carrying a backpack.

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

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.

Delaware police have successfully used DNA genealogy, which is being considered to identify unknown DNA found in Nancy Guthrie’s Arizona kidnapping.

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

Investigators searching for clues in the Arizona kidnapping of Nancy Guthrie are turning to genetic genealogy, a forensic technology that has already helped to crack several notorious cold cases in ...

Nancy Guthrie, 84, was reported missing from her home in the Tucson, Arizona, area on Feb. 1. She was last seen the night ...

Authorities insist the case is still very much active, with the FBI receiving more than 19,000 tips. But the case is ...

Law enforcement said they're considering using genetic genealogy to test the DNA found at the Arizona home of Nancy Guthrie.

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first ...