India, March 31 -- Savannah Guthrie has described the night her 84-year-old mother vanished as a moment that turned a "beautiful, fun" evening into a family's worst nightmare. In an emotional interview on Dateline with Hoda Kotb, the Today show co-host recounted the phone call that changed everything and revealed that her family has received multiple ransom demands-at least two of which investigators believe are credible.

"It's too much to bear to think that I brought this to her bedside. That it's because of me," Guthrie said, reflecting on the possibility that her public profile may have made her mother a target.

What Happened the Night Nancy Guthrie Disappeared?

Guthrie said she had been spending the evening with her children at the...