The whole Trading World know what Goldman Sachs is doing but they still need proof?

From Bloomberg: The Financial Crisis Inquiry Commission has submitted a subpoena to Goldman Sachs Group Inc., according to a spokesman for the panel. The subpoena requests documents and e-mails from Goldman Sachs, FCIC spokesman Tucker Warren said today in an interview. The subpoena was sent because Goldman Sachs hasn’t complied with requests for documents, Warren said