Hair found in Nancy Guthrie‘s Arizona home contained no DNA, Pima County Sheriff Chris Nanos said.
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“To find DNA on hair is extremely rare. Hair doesn’t produce DNA like touch DNA or bodily fluids,” Nanos told NBC News on Thursday, July 30.
Nanos added to Fox News, “Yes, there was a hair. We had it and thought, ‘OK, well, we’ll do the DNA first,’ right? You’re going to do DNA before something else. … It came back … there’s no DNA.”
The sheriff said that the hair sample has been preserved in case it might still prove useful to the investigation.
“But does that mean the hair isn’t that of the suspect? We won’t know that till we have the suspect’s hair. You don’t just destroy it,” Nanos told Fox News. “There’s other things that hair may prove valuable for, but right now it was just about, ‘Is there any DNA there?’ And the answer was no. That was just a matter of weeks ago.”
In a brief statement to NBC News, the FBI Phoenix field office said that “all hair had been resolved, and it does not point to a suspect” in Nancy’s disappearance.
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The news comes six months after Nancy, 84, was reported missing from her home outside of Tucson, Arizona, on February 1. Police are investigating the case as a suspected kidnapping. No suspect has been identified.
Nancy, the mother of Today show cohost Savannah Guthrie, was last seen on the evening of January 31.
On Monday, July 27, Savannah, 54, issued a fresh plea for Nancy’s return via social media.
“I’m coming on today with a very specific message,” Savannah said in an Instagram video. “It has been months since our mom was taken from us. Our family is in agony. We are in a nightmare that will not end. Nothing about our situation has changed. We have done our part, but we will never stop looking for her. We will always ache for her. Feel that hole in our hearts.”
She continued, “The world can be a cruel and unforgiving place, and I know that you have tried to do things the right way. So I’m asking you, begging you, to do the right thing now. Make the right choice. Help us find her. Tell us where to look for her. I truly believe it is never too late to do the right thing. Help us bring this situation to an end. For all of us – no matter where we’ve been and what we’ve done – I believe there is always, always a way home. Please make the right choice.”
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Savannah captioned the post, “Bring her home 💛.”
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This story was originally published July 31, 2026 at 2:55 AM.