Article continues below advertisementIt's now been three months since Nancy Guthrie, the 84-year-old mother of Today star Savannah Guthrie, vanished from her Arizona home - but local authorities are not letting up in their search. On Friday, May 1, the sheriff's department leading the investigation into her alleged abduction told a news outlet the hunt "remains active and ongoing.""Anyone with information related to the Nancy Guthrie case is encouraged to come forward," a spokesperson said in a statement. "Please contact 88-CRIME or the Fbi tip line at 1-800-225-5324.