United Kingdom, Feb. 12 -- Authorities believe Savannah Guthrie's missing mother Nancy is still alive.

The Today show host's 84-year-old mother has been missing since February 1, with the Pima County Sheriff's Department and the FBI investigating her disappearance.

On Wednesday (11.02.26), the sheriff's department told PEOPLE magazine that the investigation "is still operating" on the belief "Nancy is alive".

Earlier in the day, FBI Phoenix also gave an update on the ongoing search, which is on its 11th day.

They said in a statement on X: "This morning, numerous FBI agents are conducting an extensive search alongside multiple roadways in the Catalina Foothills area related to the Nancy Guthrie investigation.

"We are asking the media ...