Important uses for genealogy fall into two broad categories — ethnicity and relationships among individuals. Over the next ...

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 ...

For 32 years, Tanya Frazier's suspected killer went unidentified — even as his DNA sat in the system designed to catch him.

The FBI DNA hair sample Nancy Guthrie case has reached a critical forensic moment in 2026. Federal investigators now hold DNA data extracted from a hair sample recovered inside the home of Nancy ...