515 U.S. 593 (1995) Cited 381 times 9 Legal Analyses
Holding that "if the defendant lacks knowledge that his actions are likely to affect the judicial proceeding, he lacks the requisite intent to obstruct"
Holding that an indictment failed to sufficiently allege a material falsehood or omission amounting to a material falsehood because the indictment failed to allege what facts made the omission material
265 U.S. 182 (1924) Cited 332 times 1 Legal Analyses
In Hammerschmidt, the Court stated that "a mere open defiance of the governmental purpose to enforce a law by urging persons subject to it to disobey it" does not fall within the scope of the statute.