A disappearance case in Tucson, Arizona, is approaching the six-month mark. Nancy Guthrie, who was 84 years old at the time, went missing from her home. She was last seen on January 31 and reported missing the following day.

Savannah Guthrie, Nancy's daughter and co-anchor of the "Today" show, has issued a plea for help in finding her mother. Further details on the case and Savannah Guthrie's appeal are available from the source. Federal authorities are involved in the investigation and have released a video related to the disappearance.

For more information on the case and the investigation, readers can refer to the original report.