The New York Times had more yesterday on the group of disputed Frida Kahlo works mentioned earlier here:
"Last week the Mexican government trust that controls the copyright to Kahlo’s work filed a criminal complaint against [the works' owner], a measure aimed at investigating the works. The trust is also investigating legal recourse in the United States to halt sale of [a book published by Princeton Architectural Press about the works]."
David Nishimura says: "Just from reading the article, it's obvious that the 'discovery' is an audacious but incompetent exercise is fakery -- yet the writeup is pitched as if there is a real debate about the material's authenticity."