Savannah Guthrie has released a statement on her missing mother Nancy, 84.

According to authorities, Nancy was last seen in Catalina Foothills area on Saturday night (January 31) at approximately 9:45 pm local time.

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Savannah was not present during the Monday (February 2) episode of the Today show on NBC, but did release a statement. She said, “On behalf of our family, I want to thank everyone for the thoughts, prayers, and messages of support. Right now, our focus remains on the safe return of our dear mom. We thank law enforcement for their hard work on this case and encourage anyone with information to contact the Pima County Sheriff’s Department at 520-351-4900.”

NBC crime reporter Tom Winter said on the show today that the FBI had been briefed: “They were able to get out helicopters last night that use infrared cameras. They’ve got drones up.”

Search and rescue teams have been out at Nancy‘s home, along with the homicide teams and detectives, as the sheriff said disturbing or concerning circumstances were found at the home. As of right now, foul play is not being ruled out. Nancy is described as having some physical ailments, but does not have any cognitive issues, her family told authorities. She is described as 5 feet 5 inches tall, weighing approximately 150 pounds, with brown hair and blue eyes.