Summary: A letter arrives in the mail from a woman claiming to have psychic abilities. She warns you of danger but promises good fortune — if you send her money. This is the setup for one of the longest-running scams in U.S. history. These predatory letters were sent to millions of Americans and raked in over $200 million. At the center of it all is the elusive French psychic Maria Duval. Who is Maria Duval, and is she really the mastermind of this fraud scheme?
