Key Highlights
- Nancy Guthrie was last seen on January 31 in Tucson, Arizona.
- Savannah Guthrie described the situation as 'an hour of desperation' in a social media video.
- The FBI is offering a $50,000 reward for information regarding Nancy's whereabouts.
- Authorities believe Nancy was taken against her will.
- As of now, no suspects have been identified in her disappearance.



