John Marshall Harlan II,
Grunewald v. United States (353 U.S. 391…
“ You would have to find from the evidence of the acts and declarations of the co-conspirators that there was an understanding or agreement to conceal the conspiracy. If you find that such an agreement or understanding to conceal the conspiracy was not a part of the conspiracy to defraud the government, but no more than an afterthought brought to the surface when the co-conspirators were confronted with the Grand Jury and King Committee investigations, then you must find, as a matter of law, that the defendants are not guilty of the crime charged in the first count of the indictment. ”
