The FBI confirmed it is analyzing a hair sample that could contain DNA linked to Nancy Guthrie ‘s abductor. The hair sample ...

DNA found inside Nancy Guthrie's Arizona property after she went missing has finally been sent to the FBI's laboratory for ...

In the latest updates in the Nancy Guthrie case, the FBI has reportedly begun testing a key DNA sample. The 84-year-old ...

Eleven weeks into the investigation of Nancy Guthrie's disappearance, authorities have yet to make an arrest. The FBI has ...

The FBI is analyzing new DNA evidence recovered from the Tucson home of Nancy Guthrie, the 84-year-old mother of “Today” show ...

The FBI is using advanced technology to analyze recently recovered DNA from Nancy Guthrie's Arizona home, reports say.

The FBI is examining DNA evidence collected from Nancy Guthrie's Tucson, Arizona home as the bureau desperately searches for ...

The search for "Today" show host Savannah Guthrie's missing mother, Nancy Guthrie, continues as DNA analysis "remains ongoing ...

DELTA – A notification from the Ohio Environmental Protection Agency recently reported an air sample in Delta tested high for lead on a windy day. Ohio EPA reported a sample collected on March 15 ...

The reliability of this work depends on preserving the integrity of these valuable and often irreplaceable samples. Freeze-drying is a premier method for long-term sample preservation. Discover where ...

This article was produced for ProPublica’s Local Reporting Network in partnership with The Denver Gazette. Sign up for Dispatches to get our stories in your inbox every week. Colorado marijuana ...