Savannah Guthrie's video plea outlines family's bid to reach Nancy Guthrie.

Savannah Guthrie and her siblings posted a social media video urging anyone holding their mother, Nancy Guthrie, to make contact; CBS experts said the message appears aimed at establishing communication while investigators, including the FBI, continue working the case.

Savannah Guthrie posted a video on social media asking whoever may have her mother, 84-year-old Nancy Guthrie, to make contact and to show that she is alive. The family said they are ready to talk and emphasized personal details about Nancy to humanize her. CBS analysts and a former FBI agent described the message as an effort to establish communication and build rapport with a possible captor. The video followed reports of a possible ransom note and came days after Nancy was reported missing. Key facts: - Nancy Guthrie was reported missing and the family released the video four days later. - In the recording, Savannah Guthrie and her siblings urged the person or people holding their mother to contact the family and said they were ready to talk. - CBS analysts and a former FBI agent said the message appears intended to humanize Nancy and establish rapport, and they noted the FBI would typically review such public messages. - Officials reported that many people are working on the case and that investigators remain active; no resolution has been announced. Summary: The video is a public effort by the Guthrie family to open a line of communication and to emphasize Nancy Guthrie's personal qualities rather than focus on money. Experts framed the message as consistent with tactics to build contact in hostage situations, and authorities including the FBI are involved in the investigation. Undetermined at this time.