India, March 26 -- Nearly two months after her 84-year-old mother Nancy Guthrie disappeared from her Arizona home, Savannah Guthrie is speaking out and she has shut down speculation that her own family members may have been involved in the disappearance.

In an emotional appearance on the March 26 episode of Today, Savannah has pushed back hard against theories circulating online that her sister Annie Guthrie, brother-in-law Tomasso Cioni or brother Camron Guthrie had any role in their mother's abduction.

"It's unbearable and it piles pain upon pain," she told co-host Hoda Kotb.

"There are no words. I don't understand, I'll never understand. No one took better care of my mom than my sister and brother-in-law. No one protected my mom mor...