Savannah Guthrie pleads with mother Nancy's captors in heartbreaking video: 'We are ready to talk'

TUCSON, Ariz. – NBC "Today" co-host Savannah Guthrie and her siblings made an emotional public plea on Instagram for their missing mother, Nancy Guthrie, urging anyone who may have abducted the 84-year-old to make contact as Arizona investigators say evidence suggests a crime and reports of a possible ransom demand have surfaced.

Savannah Guthrie opened the family’s plea by thanking supporters for their prayers before describing her mother as the heart of their family and making a direct appeal for contact...