The Tennessee Bureau of Investigation is using rapid DNA testing technology to help speed up investigations, and News 2 got a look at how it works.

Nancy Guthrie disappearance case investigation latest big bombshell update shows investigators focusing on DNA evidence from ...

According to sources close to the investigation, there are concerns that DNA recovered from Nancy Guthrie's home may not yield a usable profile for comparison.

Investigators in the Nancy Guthrie disappearance say DNA from gloves did not match any entries in a national database.

Add Yahoo as a preferred source to see more of our stories on Google. The DNA sample found in Nancy Guthrie's home is reportedly unable to be entered into CODIS. CODIS or the Combined DNA Index System ...

It used to — before rapid DNA — take months. This gets them the sample in 90 minutes,” said Oklahoma State Bureau of ...

DNA and new AI tools push investigators closer to answers in the unsolved death of teen Amy Yeary found in Fond du Lac in ...

A lead went cold and a SWAT raid ended without charge - but law enforcement says unidentified DNA found inside Nancy Guthrie's home could still crack the case.

Law enforcement agencies across south central Oklahoma will soon be seeing more efficient DNA testing as the Oklahoma State ...

DNA from gloves found a few miles from the Arizona home of Nancy Guthrie did not match any entries in a national database, authorities said Tuesday, the 17th day of her disappearance. “There were no ...