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 ...

Officials investigating the disappearance of Nancy Guthrie have recovered DNA from a glove found near her house. If they don't get an exact match, they could turn to genealogy websites for clues.