What to know about the disappearance of Nancy Guthrie, mother of 'Today' show's Savannah Guthrie

Authorities are looking for the 84-year-old mother of “Today” show host Savannah Guthrie after they said she was taken from her Arizona home against her will last weekend. The Pima County sheriff says it’s imperative that Nancy Guthrie is found soon because she could die without her medication. Sheriff Chris Nanos said Tuesday that officials finished combing through Nancy Guthrie's home Tucson though he declined to reveal any evidence. A person familiar with the investigation told The Associated Press there were signs of forced entry at the home. Savannah Guthrie has asked in a social media post for prayers to help bring her mother home.