DNA challenges have complicated the Nancy Guthrie missing person case as mixed samples delay analysis, Pima County Sheriff Chris Nanos says, but investigation continues despite setbacks.

Pima County Sheriff Chris Nanos told Fox News he believes 84-year-old Nancy Guthrie is the victim of a "targeted kidnapping" as the search for her continues. The post Pima County Sheriff Tells Fox ...

Feb. 17 marks the seventeenth day since Nancy Guthrie, the 84-year-old mother of NBC "Today" show host Savannah Guthrie, ...

“We’re not quitting. We’ll find her. Yeah,” Pima County Sheriff Chris Nanos said in a Feb. 20 interview ...

TUCSON, AZ — ABC15's Ford Hatchett sat down with Pima County Sheriff Chris Nanos to discuss the Nancy Guthrie case. Nancy was last seen on Jan. 31 at 9:45 p.m. when her daughter dropped her off at her ...

In a new interview with NBC News’ Erin McLaughlin, Pima County Sheriff Chris Nanos in Arizona said that authorities’ ...

In a wide-ranging interview with Fox News, Pima County Sheriff Chris Nanos answered many questions about the investigation into the disappearance of Nancy Guthrie, including allegations of infighting ...

News 4 Tucson's Monica Garcia sat down with Pima County Sheriff Chris Nanos on day 13 of the search for Nancy Guthrie. This comes after allegations have been circling about how evidence is being ...

News 4 Tucson's Monica Garcia sat down with Pima County Sheriff Chris Nanos for a one-on-one interview regarding the disappearance of Nancy Guthrie. The 84-year-old, who is the mother of TODAY show co ...