Who is Nancy Guthrie? Inside the life of 'Today' host Savannah Guthrie's mother

Savannah Guthrie and her mother, Nancy Guthrie.

Nathan Congleton/NBC

• Nancy Guthrie, 84, is the mother of "Today" co-anchor Savannah Guthrie.
• Savannah Guthrie has credited her mother as a "rock" and major influence in her life.
• Nancy Guthrie was reported missing from her Tucson home on February 1.

For over a week, the disappearance of NBC host Savannah Guthrie's mother has gripped her Tucson community and drawn nationwide attention.

Nancy Guthrie was...