Edmunds had authority.  The district court further found that, in any event, the United States Attorney had justly relied on Edmunds' representation that he had authority and that Finlay was estopped from repudiating the waiver.  The district court also concluded that the acts charged as occurring on October 5, 1987, were part of the main conspiracy and so not barred by Grunewald.   The jury found Finlay and FTL guilty as already indicated.


18
The defendants appeal.  On this appeal, they raise for the first time the identity of counsel representing Finlay and FTL.  They note that Edmunds represented both defendants in preliminary negotiations and at the arraignment.  At the trial both defendants were represented by Walter Horie.  On this appeal they were974.  "But a vital distinction must be made between acts of concealment done in furtherance of the main criminal objects of the conspiracy, and acts of concealment done after the central objectives have been obtained, for the purpose only of covering up after the crime."  Id. (emphasis in original).


26
The main conspiracy charged in Count I of the indictment in our case was a conspiracy to defraud the United States.  The submission of the false documents prepared for the Johnston Island shipments was part of the main conspiracy to defraud the United States by concealing from the NRC the violation of its rules governing shipments.  The conspiracy, as charged, embraced both the illegal shipments and the illegal absence of documentation and false documentation.  It