India, Feb. 11 -- Today show host Savannah Guthrie's mother, Nancy Guthrie, has been missing since January 31.

On Tuesday, authorities released surveillance video and images showing an armed, masked individual apparently tampering with a doorbell camera at the Arizona home where the 84-year-old was last seen.

The images, released by the FBI and the Pima County Sheriff's Department, show a man approaching the front door of Nancy Guthrie's home near Tucson. The individual is wearing gloves, a ski mask, and a backpack, and appears to have a firearm secured in a holster.

Sharing the images on X, FBI Director Kash Patel said, "Over the last eight days, the FBI and Pima County Sheriff's Department have been working closely with our private s...