Savannah Guthrie pleads for tips as missing mom Nancy Guthrie remains unfound on Mother's Day
NBC's Savannah Guthrie posted an Instagram video on Mother's Day pleading for tips to locate her 84-year-old mother, Nancy Guthrie, who has been missing near Tucson since Feb. 1 in a case authorities describe as a possible kidnapping; the family is urging the public to call 1-800-CALL-FBI with any information as the search continues.