India, March 5 -- Nancy Guthrie, the 84-year-old mother of TODAY show host Savannah Guthrie, remains missing. Her family reported the case on February 1 and authorities believe Guthrie was taken from her home near Tucson, Arizona, the night before.

The Pima County Sheriff's Department and the FBI are on the case, but while law enforcement officials have not yet named a suspect, sheriff Chris Nanos cleared the name of the Guthrie family members. In a statement he noted that none of them were suspects in the case. This took the spotlight off Annie Guthrie and Tommaso Cioni, who had been subject to immense speculation since news of the octogenarian's disappearance broke.

Guthrie had had dinner with her daughter, Annie, the night before. Ci...