CODIS is a national DNA database managed by the FBI that contains profiles from offenders and crime scenes, assisting in investigations. "The Guthrie family are victims plain and simple," said Pima County Sherriff Chris Nanos, who said all family members have been cooperative in the investigation.

TUCSON, Ariz.(AP) — A glove containing DNA found a couple of miles from the Arizona home of “Today” show host Savannah Guthrie ’s missing mother appears to match those worn by a masked person outside her house the night she disappeared, the FBI ...

Here is a timeline of Nancy Guthrie's disappearance and the investigation. Nancy Guthrie was last seen on Saturday night, Jan. 31, authorities said. She arrived at her daughter Annie's home at 5:32 p.m. She dined there and was dropped off at her own home after dinner at around 9:48 p.m.

Eleven weeks into the investigation of Nancy Guthrie's disappearance, authorities have yet to make an arrest. The FBI has received DNA evidence, including a hair sample from her Tucson home, but no suspect has been identified.

We are in the eighth week of the search for Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, who went missing from her Tucson-area home. In her first sit-down interview, Savannah Guthrie told "Today" show co-host Hoda Kotb ...

Investigators are struggling to process a "biological puzzle" of mixed DNA samples recovered from the home of 84-year-old Nancy Guthrie, a process that could take months to decipher. Former Surgeon General Richard Carmona and other critics have slammed ...