Senator Ron Paul (Rep, Texas) is pushing a Bill requiring a full audit of the Fed: how much? To which companies? For what collateral? There have also been freedom of information requests (FOI) to the Fed, which it has stone-walled.
The Fed's position is basically that the public couldn't take the bad news; there would be mass flight from institutions which have been helped and this would trigger a(nother) banking melt-down.
Unfortunately for the Fed:
Manhattan Chief U.S. District Judge Loretta Preska ruled against the central bank yesterday, rejecting the argument that loan records aren’t covered by the law because their disclosure would harm borrowers’ competitive positions.
So, finally we get to follow the money.