Summary

Portrait of John Marshall Harlan II John Marshall Harlan II Leary v. United States (395 U.S. 6…

The Court stated:
'Under our decisions a statutory presumption cannot be sustained if there be no rational connection between the fact proved and the ultimate fact presumed, if the inference of the one from proof of the other is arbitrary because of lack of connection between the two in common experience. This is not to say that a valid presumption may not be created upon a view of relation broader than that a jury might take in a specific case.
Source: Wikisource

Portrait of John Marshall Harlan II John Marshall Harlan II Leary v. United States (395 U.S. 6…

The aspect of the self-incrimination privilege which was involved in Marchetti, and which petitioner asserts here, is not the undoubted right of an accused to remain silent at trial. It is instead the right not to be criminally liable for one's previous failure to obey a statute which required an incriminatory act. Thus, petitioner is not asserting that he had a right to stand mute at his trial but that he cannot be convicted for having failed to comply with the transfer provisions of the Act t the time he acquired marihuana in 1965.
Source: Wikisource

Portrait of John Marshall Harlan II John Marshall Harlan II Leary v. United States (395 U.S. 6…

Short of such a showing, not here present, we do not believe that the inference of knowledge can be sustained solely because of the assumed validity of the 'importation' presumption.
Once it is established that a significant percentage of domestically consumed marihuana may not have been imported at all, then it can no longer be postulated, without proof, that possessors will be even roughly aware of the proportion actually imported.
Source: Wikisource

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