A woman's disappearance is still being investigated. Nancy Guthrie, 84, was reported missing from her Arizona home. She was last seen at night, and her case is being treated as a kidnapping.

Law enforcement has received several notes, but not all are considered genuine. Some are thought to be attempts to extort money. The FBI is working to determine which notes might be legitimate.

Further information on the case can be found through the FBI's updates. The investigation into Guthrie's disappearance is ongoing, with the FBI providing occasional updates on their progress.