India, April 7 -- A couple of new notes about Nancy Guthrie were sent to TMZ by a person who claimed that they saw her in Mexico. The first note was received on Monday morning, April 6, the same day Savannah Guthrie returned to the 'Today' show.

The person "has been offering to rat out the kidnappers" for about two months now, TMZ reported. They said that their demand for 1 bitcoin to "deliver them on a silver platter" still stands.

The person sent a second letter saying, "I Saw her alive with them in the state of Sonora Mexico."

Sonora, a large Mexican state, borders Arizona and parts of New Mexico.

In the first note, however, the sender said of Nancy that "she is dead."

TMZ said that they sent the note to the FBI, but feds are not ...