From Compliance Week:

Representatives from the Board of Governors of the Federal Reserve System, the Office of the Comptroller of the Currency, Citigroup, Fannie Mae, the Federal Housing Finance Agency and its predecessors, the Federal Housing Finance Board, and the Office of Federal Housing Enterprise Oversight, are among those set to come before the Financial Crisis Inquiry Commission, which has scheduled hearings for April 7- 9 in Washington D.C….

[T]he panel, which has 50 full-time investigators and researchers at work, has already received about 580,000 documents.