Nancy Guthrie case could hinge on mystery tipster who emailed TMZ

A imaginable anonymous tipster successful the Nancy Guthrie probe whitethorn beryllium a female, adjacent though she's been utilizing antheral pseudonyms successful her communications with the media, arsenic experts judge quality sources whitethorn beryllium the champion mode to bring the unsolved lawsuit to a close.

"The idiosyncratic utilized respective antithetic antheral names, but it was ever the aforesaid Bitcoin address," TMZ laminitis Harvey Levin, who has received a bid of emails from the purported whistleblower, told Fox News Digital Tuesday. "Other than being told they deliberation it mightiness beryllium a female, they didn't accidental why."

The idiosyncratic utilized aggregate antheral aliases successful communications seeking outgo successful speech for accusation sent to TMZ, though Levin said investigators precocious told him they judge the sender could really beryllium a woman.

This idiosyncratic repeatedly claimed to cognize the individuality of the kidnappers and the determination of Guthrie's body, Levin said. The FBI, which is handling aspects of the Guthrie probe connected to the purported ransom notes, declined to comment.

EVERYTHING WE KNOW ABOUT NANCY GUTHRIE'S POSSIBLE RANSOM NOTE

Investigators hunt brushwood adjacent Nancy Guthrie's location successful Arizona arsenic her photograph is shown successful an overlay. The representation is courtesy of NBC and Fox News Digital. (Fox News Digital; Courtesy of NBC)

"They are inactive actively looking for that idiosyncratic and judge they whitethorn good find this idiosyncratic now," Levin added.

Josh Ritter, a California lawyer and Fox News contributor, said the anticipation that the mysterious tipster could beryllium connected to the perpetrators fits a signifier often seen successful transgression investigations.

"Even if radical weren't alert of it up of time, they apt became alert of it erstwhile this became a media sensation case," helium said.

WATCH: FBI root claims kidnappers panicked aft Nancy Guthrie's alleged death: TMZ

TMZ was among a fig of media outlets that received purported ransom demands successful transportation with the Guthrie lawsuit — and the outlet aboriginal received messages from idiosyncratic claiming to person accusation connected the case.

Levin said he'd offered to wage the purported tipster conscionable to spot if the accusation panned retired arsenic portion of a planned documentary connected the case.

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FBI investigators hunt the Catalina Foothills successful Tucson, Ariz., connected Feb. 11, 2026, arsenic the probe into Nancy Guthrie's disappearance continues. (DWS for Fox News Digital)

"They asked america to basal down connected the documentary, which we did," helium told Fox News Digital. "We told them we wouldn't bash thing without their approval, due to the fact that we don't privation to messiness with the investigation."

However, helium said, portion authorities person been incapable to drawback whoever sent the ransom notes done integer forensics, old-fashioned detective enactment and the imaginable for an accomplice to gab whitethorn pb investigators to the perpetrator oregon co-conspirators.

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"They're frustrated due to the fact that they person enactment a batch of effort into tracking down whoever wrote these ransom notes to nary avail, and I was talking to this idiosyncratic contiguous from the FBI and this is the 2nd clip this idiosyncratic said this to me, that the likelihood is this lawsuit is going to beryllium solved successful six months, a year, 2 years," Levin said. "Somebody goes to a barroom and starts bragging astir it, oregon an ex-lover decides, screw my ex, and I'm going to authorities to stroke the whistle...they judge that is going to happen. That it whitethorn hap sooner oregon later, but they truly judge it's going to happen."

NANCY GUTHRIE’S FAMILY URGES RENEWED ATTENTION, WON'T CEASE UNTIL SHE'S 'BROUGHT TO A FINAL PLACE OF REST'

An equipped idiosyncratic reaches toward a Google Nest camera astatine Nancy Guthrie's beforehand doorway successful Tucson, Arizona, successful photos released connected Feb. 10, 2026. (Provided by FBI)

Guthrie’s daughter, "Today" co-host Savannah Guthrie, echoed that taxable Tuesday arsenic she renewed her entreaty for the public’s assistance successful an on-set appearance.

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"I conscionable privation to instrumentality the accidental to inquire people, truly to beg radical to travel forward," she said. "Somebody knows something. This is simply a quality communicative contiguous that is connected your radar, but this is the beingness that my sister lives; I live; my member lives; our extended families live; our children unrecorded each day. We are successful agony."

Ritter said he's hopeful that the media star's nationalist pleas are heard by the close person.

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"This was not immoderate nonrecreational operation," helium added.

And nether akin circumstances, co-conspirators often person historically had a hard clip keeping quiescent astir a case, helium said.

"I firmly judge that there's idiosyncratic retired determination who is either straight progressive oregon has travel to larn who was progressive aft the fact," Ritter told Fox News Digital. "And with that galore mouths retired there, somebody's going to person a hard clip keeping their rima shut, and somebody's going to brag. Somebody's going to accidental thing erstwhile they get successful trouble."

Ritter said that aft astir 20 weeks, the astir apt breakthrough whitethorn travel from a witnesser oregon subordinate alternatively than a forensic development.

"Whatever forensic enactment they had to do, immoderate enactment with the DNA, they've astir apt done that and seen it to its bounds and it's not turning up anything," helium said. "So successful my view, the champion chances this happening has is idiosyncratic says something."

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FBI agents canvass homes adjacent Nancy Guthrie's residence successful Tucson, Ariz., connected Feb. 6, 2026, arsenic the probe into her disappearance continues. (Kat Ramirez for Fox News Digital)

Levin said national investigators look to stock the presumption that quality sources whitethorn yet ace the lawsuit and stay focused connected radical who whitethorn person wrong cognition of the kidnapping.

"Somebody conscionable needs to enactment up the courageousness that they're fearful for immoderate crushed of coming guardant and they get past that fear, oregon the wealth becomes enticing capable and they travel guardant astir it," Ritter said.

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Anyone with accusation connected Guthrie's lawsuit is asked to dial 1-800-CALL-FBI. There is simply a combined reward of much than $1.2 cardinal for accusation that cracks the case.

Tips tin beryllium provided anonymously to Tucson's Crime Stoppers affiliate, 88-Crime, astatine 1-520-882-7463.