India, July 27 -- Nancy Guthrie Case Latest News: NBC's Today co-anchor Savannah Guthrie has issued a new emotional public appeal as the search for her missing 84-year-old mother, Nancy Guthrie, continues in Arizona nearly six months after she disappeared.

In a video shared on Instagram on July 27, the 54-year-old journalist spoke directly to the public-and to anyone who may have information about her mother's whereabouts-describing the family's ongoing pain and urging those with knowledge of the case to come forward. "Our family is in agony. We are in a nightmare that will not end; nothing about our situation has changed," Savannah Guthrie said in the one-minute video. She added that her family would never stop searching for Nancy.

Nan...