TODAY show co-host Savannah Guthrie and her siblings, Annie and Camron, shared a message as the search continues for their 84-year-old mother, Nancy Guthrie.

“On behalf of our family, we want to thank you all for the prayers for our beloved mom Nancy,” Savannah said.

“Momma if you’re listening, we need you to come home,” Annie said. “We miss you.”

Savannah addressed the reports of the possible ransom letter saying they are aware of them and are ready to talk.

“We are ready to talk,” Savannah said. “We need to know without a doubt that she is alive and you have her. We want to hear from you and we are ready to listen. Please reach out to us.”

Savannah said they will not rest until they are reunited with their mother.

Nancy was last seen on around 9:45 p.m. on Saturday, Jan. 31 and was reported missing the following day after she did not show up for church. PCSD said no suspect or person of interest has been identified at this time.

Those who may have information regarding the investigation are urged to contact PCSD at 520-351-4900 or call 9-1-1. Tips can also be sent to the FBI by calling 1-800-CALL-FBI.

PCSD has established a Tip Line QR code where the public can submit photos or videos directly to PCSD.

Nancy Guthrie is described as 5 foot 5 inches tall, 150 pounds, has brown hair, and has blue eyes. We are told that Nancy Guthrie is in frail health and is without the daily medications she needs to survive. Nanos confirmed the 84-year-old lived alone.

88-CRIME is offering a reward up to $2,500 is being offered for any information that can lead to an arrest or arrests in Guthrie’s disappearance. Anyone with a tip can contact 88-CRIME at 520-882-7463, where they can remain anonymous.

Stay with News 4 Tucson for the latest in the investigation.