New Delhi, Feb. 18 -- It has been weeks since Nancy Guthrie, the 84-year-old mother of Savannah Guthrie, co-anchor of the popular NBC News morning show "Today", was reported missing. New developments in the case suggest that a fourth note has been sent to TMZ by someone claiming to know what happened to Guthrie, demanding confidential payment in exchange for revealing the information.

Shortly after she went missing on February 1, a ransom note demanding millions of dollars in bitcoin surfaced, but its deadline passed without any payment being made. In the days that followed, TMZ received another message from someone believed to be the same person who was still contacting the outlet as recently as Monday. Additional letters reportedly inc...