Officials investigating new messages on Savannah Guthrie’s missing mother

Disappearance of 84-year-old Nancy Guthrie from her home in Arizona is being investigated as kidnapping

The search for Nancy Guthrie, the 84-year-old mother of NBC's Today show anchor Savannah Guthrie entered its sixth day on Friday in Arizona, as authorities said they were aware of a new message related to the case.

The FBI and Arizona's Pima county sheriff's department issued a joint statement on Friday afternoon stating that investigators were actively inspecting information provided in the message for its authenticity. Earlier in the day, authorities said they believe that Guthrie is still alive.