'We will not rest': Savannah Guthrie and her siblings plead for mother's safe return

Breaking now at 11, the big story on Action News is a new twist in the disappearance of Today's Show host Savannah Guthrie's 84-year-old mother. In a message posted online tonight, Savannah Guthrie appeared to speak directly to a possible kidnapper. Action News anchor Gray Hall is here now with more on that emotional plea to bring her home, Gray. Well, Rick, watching that video, you can feel the family's pain and complete desperation. It shows Savannah Guthrie and her siblings pleading for the safe return of their 84-year-old mother in a gut-wrenching message. Savannah addressing reports of a ransom note and says, the family is ready to talk but wants proof of life. As a family, we are doing everything that we can. We are ready to talk. However, we live in a world where voices and images are easily manipulated. We need to know, without a doubt, that she is alive and that you have her. We want to hear from you and we are ready to listen. Please reach out to us. Mama, if you're listening, we need you to come home. We miss you. We can feel that family's hurt tonight. Her mother, Nancy, has been without essential medication for a fragile heart condition since she was abducted from her Tucson, Arizona home early Sunday morning. Sources telling ABC News that the FBI is sending additional agents and experts to help local investigators. This, as a sheriff's department, is investigating several unverified ransom letters sent to local TV stations there. Now, at this point, they do not know if those letters are connected to this case or if they are from people taking advantage during this really difficult time. As of now, law enforcement has not named any suspects or a person of interest in that video message. Savannah, also, thanking her supporters. On behalf of our family, we want to thank all of you for the prayers for our beloved mom, Nancy. We feel them and we continue to believe that she feels them, too. Two prayer services were held tonight, one in Arizona, the other up in New York. President Donald Trump also reaching out to Savannah Guthrie, offering support, certainly a story that has gripped this country and one that we will follow for the latest developments. Rick. Absolutely, Gray. Thank you for that report tonight.