Summary

Portrait of Harlan F. Stone Harlan F. Stone Gebardi v. United States — Opinion of the Court

For it is the collective planning of criminal conduct at which the statute aims. The plan is itself a wrong which, if any act be done to effect its object, the state has elected to treat as criminal. Clune v. United States, 159 U.S. 590, 595, 16 S.Ct. 125, 40 L.Ed. 269. And one may plan that others shall do what he cannot do himself. See United States v. Rabinowich, 238 U.S. 78, 86, 87, 35 S.Ct. 682, 59 L.Ed. 1211.
But in this case we are concerned with something more than an agreement between two persons for one of them to commit an offense which the other cannot commit.
Source: Wikisource

Portrait of Harlan F. Stone Harlan F. Stone Gebardi v. United States — Opinion of the Court

There is the added element that the offense planned, the criminal object of the conspiracy, involves the agreement of the woman to her transportation by the man, which is the very conspiracy charged.
Congress set out in the Mann Act to deal with cases which frequently, if not normally, involve consent and agreement on the part of the woman to the forbidden transportation. In every case in which she is not intimidated or forced into the transportation, the statute necessarily contemplates her acquiescence.
Source: Wikisource

Portrait of Harlan F. Stone Harlan F. Stone Gebardi v. United States — Opinion of the Court

We think it a necessary implication of that policy that when the Mann Act and the conspiracy statute came to be construed together, as they necessarily would be, the same participation which the former contemplates an an inseparable incident of all cases in which the woman is a voluntary agent at all, but does not punish, was not automatically to be made punishable under the latter.
Source: Wikisource

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