Nancy Guthrie Update Today: One Month Missing — DNA Hits a Wall, Signal Sniffer Used, Reese Witherspoon and Halle Berry Amplify Plea
Today, Sunday, March 1, 2026, marks exactly one month since 84-year-old Nancy Guthrie vanished from her Catalina Foothills home in Tucson, Arizona in the early hours of February 1. Despite 10,000 hours of video reviewed, DNA recovered, a $1 million reward, and over 1,500 tips logged, investigators have not publicly named a single suspect. Here is the full update as of this morning.
One Month Missing — The Key Evidence at a Glance
Blood found at the scene was confirmed to belong to Nancy Guthrie. Doorbell camera footage showed a masked, armed suspect tampering with Nancy's porch camera. Investigators identified possible suspect items, including a Walmart backpack and gun holster.
The FBI confirmed that the suspect in the video footage was carrying a black, 25-liter Ozark Trail Hiker Pack backpack, which is sold exclusively at Walmart. The masked suspect also had a $10 gun holster from Walmart, per Fox News. Sheriff Nanos said the backpack was "one of the most promising leads" in the case. The suspect is described as male, approximately 5 feet 9 to 5 feet 10 inches tall, with an average build.
Signal Sniffer Deployed — Pacemaker Was the Only Clock
Law enforcement sources told CBS News that investigators used a tracking device called a "signal sniffer" in hopes of detecting signals from Nancy's pacemaker. Nancy's pacemaker last synced with her iPhone at 2:28 a.m. on February 1 — just 41 minutes after her doorbell camera was disconnected at 1:47 a.m. That 41-minute window remains the most critical period in the entire investigation.
Multiple cameras inside Guthrie's home detected a person at 2:12 a.m., though it is unclear which camera captured that motion. After 2:28 a.m., Nancy's pacemaker went completely silent — and has remained so for 29 days.
DNA Results Hitting a Wall — Could Take Up to a Year
DNA evidence was found at the crime scene, but testing has yielded significant challenges. "Our lab tells us that there are challenges with it," Sheriff Nanos said. "The technology is moving so fast and in such a frenzy that they think some of this stuff will resolve itself just in a matter of weeks, months, or maybe a year."
DNA results could take up to a year, according to Sheriff Nanos. No suspects have been identified. Several people have been detained for questioning and later released. Neighbors described seeing a suspicious younger man in the neighborhood in the weeks before Guthrie's disappearance — a man who, as one neighbor put it, "just didn't fit" — but no arrests have been made.
Backpack Theory — Zip Ties, Tarps, and a Walkie-Talkie Sticking Out
NewsNation senior correspondent Brian Entin spoke with former CIA officer and FBI special agent Tracy Walder, who theorized the suspect's backpack may have contained items to subdue Nancy. "I think, just my hypothesis, that he is arriving with things to subdue her — maybe even blankets or tarps to put her in. Things like zip ties, tape, things to subdue her. That's what I think is in the backpack."
Entin shared that some people believe the object protruding from the suspect's jacket pocket could be the antenna of a walkie-talkie, while others believe it could be a signal jammer. Walder noted that the walkie-talkie theory makes sense especially if there's a getaway vehicle involved.
Reese Witherspoon and Halle Berry Respond — Investigation Going Cold
Reese Witherspoon and Halle Berry both reacted to Savannah Guthrie's latest social media plea, posting publicly that "Someone can help" — amplifying the $1 million reward to their combined tens of millions of followers.
Harvey Levin of TMZ put the FBI's position plainly: "Even though this is becoming a cold case, and it is clearly one of the reasons why the Guthrie family has upped the reward, that doesn't mean that it's over. As one FBI source put it, 'It just takes that one person.' And they believe it's going to happen at some point — one person who opens his or her mouth, and the case cracks wide open."
Savannah Guthrie Intends to Return to Today Show
Savannah Guthrie intends to return to work at NBC's Today show at some point, according to two sources close to the network. When that might happen is highly uncertain, and completely up to Guthrie, given this month's agonizing and all-consuming search for her mother Nancy. Savannah issued a fresh video plea Sunday: "If you've been waiting and you haven't been sure, let this be your sign to please come forward. Tell what you know, and help us bring our beloved mom home." Anyone with information is urged to call 1-800-CALL-FBI. Tips are anonymous and the $1 million reward can be paid in cash.
