New Delhi, April 7 -- Nancy Guthrie 'is dead' - News outlet TMZ received two more ransom notes on Monday, local time, demanding 'half a bitcoin' to reveal where the body of the 84-year-old mother of Savannah Guthrie is and who is responsible for her kidnapping.

The notes came in on the same day Savannah returned to the "Today" show for the first time since her mom went missing on February 1.

According to The Post, these latest ransom notes were sent by the same mystery person who had demanded one bitcoin in exchange for information on Nancy Guthrie's disappearance nearly two months ago.

"We got another letter today from this person, an email saying, 'I know where her body is, and who the kidnapper is, give me half a bitcoin and I'll te...