Live updates: Law enforcement to release surveillance photo of potential subject in Nancy Guthrie investigation

This news article provides live updates on the ongoing investigation into the disappearance of Nancy Guthrie, the mother of TODAY show co-anchor Savannah Guthrie. Authorities are expected to release a surveillance photo of a potential subject in the investigation. The family believes Nancy is still out there and is asking for the public's help in finding her. The FBI has not identified any suspects or persons of interest and has not verified the authenticity of a ransom note demanding $6 million in bitcoin.