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 ...

Beginning this fall, the Williamson and Montgomery County Sheriff's Offices will begin entering DNA samples from some ...

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.

Genetic genealogist CeCe Moore tells PEOPLE, 'If I was the kidnapper, I would be extremely worried right now' ...

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

The Pima County Sheriff previously said the DNA recovered from Nancy's home is mixed, which complicates the process of getting results.

Contamination and other errors in DNA analysis have occurred at the Washington State Patrol crime labs, most of it the result of sloppy work. The most common problems are cross-contamination by ...

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.