Advanced DNA testing using genealogy databases could take weeks or months to identify Nancy Guthrie's abductor after initial ...

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.

New technological advancements have allowed us to look at the entire human genome. The genome is the complete set of genetic information encoded in the DNA. Human DNA has around three billion letters ...