Court Update: A new filing in the Nancy Guthrie case alleges it reveals the identities of two suspected kidnappers

The letter reportedly references a phone with photos, names and a video of the alleged “main guy” with the 84-year-old

A new demand letter tied to the Nancy Guthrie case claims to know who kidnapped her, alleging that more than one person was responsible.

The person who emailed the letter to TMZ claimed to have “a phone stashed in a secure location” containing what they said was a video of the “main guy” with Nancy on the day the sender described as “probably her last,” the news outlet reported on Friday, June 26.

The letter further claimed that two people were involved in the kidnapping, alleging the phone contains “pictures of both involved, names and addresses and age.”

According to TMZ, the letter was sent from the same email address that previously sent the media outlet ransom notes, referencing an earlier bitcoin address while providing a new one in the latest message.

The outlet reported that it forwarded the email to the FBI. PEOPLE has also reached out to the FBI and the Pima County Sheriff’s Department for comment on the newly surfaced note but had not received a response by publication time.

The news comes days after details of one of the initial ransom notes allegedly sent by the kidnappers were made public, claiming the 84-year-old mother of Today show host Savannah Guthrie died unintentionally shortly after she was taken from her Tucson, Ariz., home on Feb. 1.

In the note, the alleged kidnapper reportedly expressed regret over her death but did not include an apology or any demand for money in exchange for the return of her body, multiple sources close to the investigation told CNN and NBC News.

Nancy Guthrie.

Savannah Guthrie/Instagram

That note followed a previous one which demanded millions of dollars in Bitcoin for Nancy’s safe return and contained what KOLD news anchor Mary Coleman called “concerning” information that was handed over to authorities.

Nearly five months later, Nancy’s whereabouts remain unknown and no suspects have been identified in her case.

The Pima County Sheriff’s Department told PEOPLE earlier this week that the investigation into Nancy’s kidnapping “remains active and ongoing.”

This comes after Pima County Sheriff Chris Nanos told PEOPLE in May that investigators were awaiting potential breakthroughs from DNA testing while continuing to analyze digital evidence in hopes of generating new leads.

Court Update: A new filing in the Nancy Guthrie ca...

Court Update: A new filing in the Nancy Guthrie case alleges it reveals the identities of two suspected kidnappers

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