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TUCSON, Ariz. – Authorities believe Nancy Guthrie, 84, the mother of NBC "Today" co-host Savannah Guthrie, was abducted or kidnapped from her Tucson home, where she was last seen around 9:30 p.m. Saturday, Jan. 31.

Investigators say Nancy Guthrie, 84, was forcibly taken from the residence and did not leave on her own, Pima County Sheriff Chris Nanos said. 

The FBI and Pima County Sheriff’s Department said Friday that investigators are reviewing new correspondence related to the case.

In a social media post, authorities said, "The FBI and Pima County Sheriff’s Department are aware of a new message regarding Nancy Guthrie," adding that investigators are working to determine the authenticity of the message.

SAVANNAH GUTHRIE'S MOTHER NANCY POSSIBLY ABDUCTED FROM HER HOME, AUTHORITIES SAY

Authorities added investigators are currently working to determine the authenticity of the message.

The latest message came nearly 24 hours after a Thursday 5 p.m. deadline passed in an alleged ransom note sent earlier this week to local news organizations and TMZ. Local CBS affiliate 13 News said it also received a copy of the message Friday morning and forwarded it to law enforcement.

The station confirmed the message was received Friday morning and does not contain the same IP address as the initial note. However, the note appears to have been sent from the same secure server to keep the IP address hidden and contains details that could prove both notes were sent by the same individuals, the outlet said.

Savannah Guthrie and Nancy Guthrie posing together on an outdoor set with the Sydney Opera House in the background.

Australian-born presenter Savannah Guthrie poses alongside her mother Nancy Guthrie during a production break while hosting NBC's "Today Show" live from Australia at Sydney Opera House on May 4, 2015, in Sydney, Australia. (Don Arnold/Wireimage)

13 News added they forwarded the correspondence to law enforcement and did not provide any additional information regarding its contents to viewers.

A spokesperson for the Pima County Sheriff's Office told Fox News Digital that it's believed Nancy Guthrie was either kidnapped or abducted.

"Sheriff [Chris] Nanos has stated that he believes that a crime has been committed," a spokesperson for Pima County Sheriff’s Office told Fox News Digital. "At this point, investigators believe she was taken from the home against her will and that includes possible kidnapping or abduction."

Nanos said Nancy Guthrie didn't leave the home by herself. According to the Los Angeles Times, blood was found inside Nancy Guthrie's home. A law enforcement source told Fox News Digital that there were "blood drops" leading from the entryway outside down the house's pathway towards the driveway. During an interview on MSNOW on Tuesday, Nanos said Nancy Guthrie was "physically removed from that home against her will," but declined to say whether she was harmed. The sheriff also said it's unknown if the individual who took Nancy Guthrie is familiar or a stranger. Police dispatch audio when Nancy Guthrie went missing reveals that the 84-year-old has health issues.

Savannah Guthrie released a statement to NBC's "Today" on Monday morning.

"On behalf of our family, I want to thank everyone for the thoughts, prayers and messages of support. Right now, our focus remains on the safe return of our dear mom," the statement said.

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Savannah and Nancy Guthrie

Savannah Guthrie and her mother, Nancy Guthrie. (Instagram/Savannah Guthrie)

Here's a timeline of events:

Timeline on TV of Guthrie disappearance

The Pima County Sheriff's Department released a timeline of events in Nancy Guthrie's disappearance. (Fox News Digital/Michael Ruiz)

January 31 at 5:32 p.m.: 

Nancy Guthrie travels to her family's home for dinner.

January 31 at 9:48 p.m.: 

The Pima County Sheriff's Department says Nancy Guthrie was last seen at her residence near East Skyline Drive and North Campbell Avenue on Saturday evening. Nancy Guthrie's children dropped her off at the home at around 9:45 p.m., Pima County Sheriff Chris Nanos said. 

January 31 at 9:50 p.m.: 

Nancy Guthrie's garage door closes.

February 1 at 1:47 a.m.: 

The doorbell camera at Nancy Guthrie's home disconnects.

February 1 at 2:12 a.m.:

A security camera detected motion on camera at Nancy Guthrie's home. The Pima County Sheriff's Department noted that there was no video available because a subscription wasn't active.

Pima County Sheriff's deputies assembling in front of Nancy Guthrie's home

Pima County Sheriff's deputies assemble at Nancy Guthrie's home in Tuscon, Arizona on Friday, February 6, 2026. Guthrie was last seen on Saturday night as an investigation into her disappearance continues. (Kat Ramirez for Fox News Digital)

February 1 at 2:28 a.m. 

Nancy Guthrie's pacemaker disconnected from the application on her phone.

February 1 at 11 a.m.: 

Nanos said Nancy Guthrie didn't attend her church service, adding that her family was notified about the absence by a churchgoer. Officials said family members went to Nancy Guthrie's home at around 11 a.m. and spent some time looking for her.

February 1 at 11:56 a.m.:

Nancy Guthrie's family checks in on her.

Savannah hugs Nancy Guthrie

Savannah Guthrie and her mother, Nancy Guthrie. (Instagram/Savannah Guthrie)

February 1 at 12:03 p.m.:

Nancy Guthrie's family calls 911, according to officials.

The law enforcement source also said that there were "blood drops" leading from the entryway outside down the house's pathway towards the driveway.

Savannah Guthrie, Nancy Guthrie, and Jenna Bush Hager sitting together on a talk show set.

Savannah Guthrie and her mother Nancy Guthrie appear on "Today" on April 17, 2019. (Nathan Congleton/NBCU Photo Bank/NBCUniversal via Getty Images)

February 1 at 12:15 p.m.: 

Sheriff's deputies arrive at Nancy Guthrie's home.

February 1 at 8:55 p.m.: 

The Pima County Sheriff's Department says they've begun search and rescue efforts using helicopters, infrared cameras and drones to search for the missing 84-year-old. During a news conference on Sunday night, Nanos said they found evidence that raised "some concerns" at Nancy Guthrie's home.

Aerial view of Nancy Guthrie's backyard.

The backyard of Nancy Guthrie's home features a floodlight that points onto the lawn. (Fox Flight Team)

"We’re pretty much just throwing everything at this that we can. Guthrie is 84 years old and is not of good physical health, and so naturally that’s a great concern," Nanos said. "This is very concerning to us. We don’t typically get the sheriff out at a scene like this. But it’s very concerning what we’re learning from the house."

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Savannah and Nancy Guthrie smiling

Savannah Guthrie and her mother, Nancy Guthrie. (Instagram/Savannah Guthrie)

February 2 at 9:17 a.m.:

Nanos said during a news conference that Nancy Guthrie didn't leave the house on her own accord, adding that a crime had been committed. He said the search and rescue mission had been shut down to give that team time to rest.

"We believe now, after we processed that crime scene, that we do, in fact, have a crime scene that we do, in fact, have a crime," Nanos said. "She did not leave on her own. We know that."

"We don't see this as a search mission as much as we do a crime scene," he added.

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Savannah and Nancy Guthrie with fan

Savannah Guthrie and her mother, Nancy Guthrie. (Instagram/Savannah Guthrie)

Savannah Guthrie and Nancy Guthrie posing together on an outdoor set with the Sydney Opera House in the background.

Australian-born Savannah Guthrie poses alongside her mother Nancy Guthrie while hosting NBC's "Today" live from Australia at the Sydney Opera House on May 4, 2015. (Don Arnold/Wireimage)

Nanos noted that Nancy Guthrie has limited mobility and has medication that she needs to take every 24 hours, which could be fatal if not taken. He said Nancy Guthrie "is of great sound mind" besides her physical ailments, adding she's "sharp as a tack."

WATCH: Sheriff's helicopter hovers over area where missing Nancy Guthrie is believed to live

Investigators were seen in the area where Nancy Guthrie lives, including sheriff's department helicopters.

"We need her back. We need to find her, and time is very critical. She is 84. She needs her meds," Nanos said.

Wednesday, Feb. 4:

Savannah Guthrie publicly asks anyone holding her mother to provide proof that she is alive.

WATCH: Sheriff's office deputies walk up driveway of house in area of Nancy Guthrie's house

Thursday, Feb. 5: 

Authorities confirm blood found at the home belonged to Guthrie through DNA testing.

Nanos says no suspects or persons of interest have been identified, adding that "everybody is still a suspect in our eyes."

Guthrie’s son, Camron Guthrie, releases a video appeal pleading for contact from his mother’s captors.

Authorities announce an arrest connected to an imposter ransom demand, which investigators say is unrelated to Guthrie’s disappearance.

Camron Guthrie pleads with mom's captors in an Instagram video.

Camron Guthrie, Savannah Guthrie's brother, pleads for 'way to communicate' with mom's captors as first deadline passes on Thursday, Feb. 5, 2026.  (@savannahguthrie via Instagram)

Friday, Feb. 6: 

The FBI and Pima County Sheriff’s Department say investigators are reviewing a "new message" and are working to determine its authenticity.

13 News, the local station that received the message, says it does not contain proof of life. 

Federal authorities reaffirm a $50,000 reward for information related to Guthrie’s disappearance.

Friday evening:

FBI investigators return to Guthrie's home, swiftly clearing the media from the immediate area. They search the property again, including a sweep of the roof. 

A Fox News drone captures an agent appearing to remove a white cylindrical device from a ledge overlooking a courtyard on the property. 

Nancy Guthrie poster.

(Pima County Attorney's Office)

Authorities later remove a blue SUV from Guthrie's garage and tow it to an impound lot. 

Details about why the car was towed were not released.

Vehicle towed from Nancy Guthrie's home

Fox News Digital captured a photo of the vehicle that was towed from Nancy Guthrie's house in Tucson, Ariz. on Friday, Feb. 6, 2026.  (Michael Ruiz for Fox News Digital)

Around the same time, more law enforcement officials return to the home of Annie Guthrie, Nancy's eldest daughter. They spend only a few minutes on the property before promptly returning. 

President Donald Trump tells reporters aboard Air Force One that he believes the case could soon be solved.

"I think we're doing very well on that regard," Trump said. "We have some clues, I think, that are very strong. And I think we could have some answers coming up fairly soon." 

"I'm talking about a solution. We have some things I think that will maybe come out reasonably soon from DOJ or FBI, or whoever," he continued. "It could be definitive."

Saturday, Feb. 7 at about 4:30 p.m.: 

Savannah Guthrie shares a new video on her Instagram account telling her mother's potential captors the family received their "message," and they "will pay."

"We received your message and we understand. We beg you now to return our mother to us so that we can celebrate with her," Savannah Guthrie said. "This is the only way we will have peace. This is very valuable to us, and we will pay."

During the video, Savannah Guthrie was sitting between her siblings, Camron and Annie, holding their hands.

The family had previously posted two other videos pleading with the potential captors for her return.

All three videos were captioned, "Bring her home." However, unlike in the previous posts, the family did not request proof of life in the latest video.

It is unclear if the video is a response to the "new message" received by a local news station on Friday.

Saturday, Feb. 7 at 7:10 p.m.: 

Pima County Sheriff’s Department deputies are spotted at Guthrie's home.

Those with information about Nancy Guthrie's disappearance are asked to contact the Pima County Sheriff's Department at: 520-351-4900.

Sunday, Feb. 8:

Sunday, Feb. 8 at 12:57 p.m.:

The Pima County Sheriff's office provided a short update on the investigation, but revealed no new information.

"The Nancy Guthrie investigation is ongoing. Follow-up continues at multiple locations," the agency said on X. "No suspects, persons of interest, or vehicles have been identified. No scheduled press briefings. If any significant developments occur in the case, a press conference will be called."

Sunday, Feb. 8 at 5:15 p.m.:

The Pima County Sheriff’s Department said Sunday night that it will maintain a security presence at Nancy Guthrie’s residence at the request of her family. The authorities reminded the public and media that no trespassing will be tolerated.

Monday, Feb. 9:

Monday morning:

NBC's Tom Winter, NBC News national law enforcement and intelligence correspondent, reported on "Today" that investigators were conducting additional searches to check if there was any potential evidence missed during previous searches. 

He also reported that a Saturday night search at Annie Guthrie's home "was consented to." 

Monday, Feb. 9 at 3:42 p.m. 

Savannah Guthrie took to her own Instagram account to ask the public to help bring her mother home. 

"Thank you so much for all of the prayers and the love that we have felt," Guthrie said.

"My sister and brother and I and our mom have felt this love, because we believe that somehow, somehow, she is feeling these prayers and that God is lifting her, even in this moment and in this darkest place."

"We believe our mom is still out there," she added.

"We need your help. Law enforcement is working tirelessly around the clock trying to bring her home, trying to find her.

"She was taken, and we don't know where. And we need your help," she said.

Pima County Sheriff's officials announced on their X account that no briefings were planned ahead of the alleged ransom deadline.

"Should a significant development occur, a press conference will be called, & media will be notified via email & our @pimasheriff X account," the post read. 

Monday, Feb. 9 at 5 p.m.

The second alleged ransom deadline passes in the disappearance of Nancy Guthrie. 

Following the deadline, the sheriff’s office also confirmed an "active law enforcement presence" at the Guthrie residences will continue tonight and into tomorrow as part of the ongoing investigative process, including the expansion of the search and follow-up on new leads.