As court records, sworn affidavits, plea agreements and search warrants attest, it was quite a deal, one of several involving at least seven business entities, nearly a dozen family members and hundreds of thousands of dollars sloshing through bank accounts, all for Jefferson's personal benefit.

An FBI raid on Jefferson's congressional office last month triggered a constitutional showdown between the White House and congressional leaders from both parties over separation of powers. But as that controversy subsides, the focus has shifted back to Jefferson and the corporate labyrinth that federal authorities say he erected to secretly receive illegal payments for promoting high-tech ventures in Cameroon, Ghana and Nigeria.