Nancy Guthrie, de 84 años, desapareció de su casa la noche del 31 de enero. Su familia se ha ofrecido a pagar un rescate, sin respuesta. El FBI y el presidente Trump piden colaboración ciudadana

The circumstances of the suspected kidnapping of Savannah Guthrie's mom, Nancy, are rare – and pose unique challenges, ex-FBI agents say.

Police have said they believe that Nancy Guthrie, 84, was abducted from her Arizona home a week ago.

Nancy Guthrie, 84, was last seen on January 31