According to sources close to the investigation, there are concerns that DNA recovered from Nancy Guthrie's home may not ...

Add Yahoo as a preferred source to see more of our stories on Google. When four teenage girls were murdered in an Austin, Texas, yogurt shop in 1991, a heartbroken city was left searching for answers.

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

While DNA evidence found on a glove believed to have been worn by a man suspected of abducting Nancy Guthrie didn't produce a match in the FBI's database, it could still give investigators the clues ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first used for cold cases — is helping to solve active cases as well.