The television anchor posted the video appeal directly addressing those holding her mother, asking them to provide evidence that Nancy Guthrie remains alive. The emotional plea has been viewed millions of times as the nation watches the case unfold.

FBI agents are leading the investigation into the disappearance, which authorities have characterized as a kidnapping. No ransom demands have been publicly acknowledged, though investigators are keeping details close.

Savannah Guthrie has largely stepped back from her Today Show duties since her mother disappearance, with colleagues filling in during what NBC described as a family emergency. The network has expressed full support for its anchor during the crisis.

Nancy Guthrie, who lived in Tucson, Arizona, was reported missing last week. Police found signs of a struggle at her residence, leading to the kidnapping classification.