Joseph McKenna, Hyde v. United States — Opinion of the Court
“ It seems like a contradiction to say that a thing is necessary to complete another thing, and yet that other thing is complete without it. It seems like a paradox to say that anything, to quote the Solicitor General, 'can be a crime of which no court can take cognizance.' The conspiracy, therefore, cannot alone constitute the offense. It needs the addition of the overt act. Such act is something more, therefore, than evidence of a conspiracy. ”
