The power of the Committee on UnAmerican Activities to pursue investigations of Communist activities in all fields has also been upheld by the Supreme Court in the denial of certiorari in the case of Horace Chandler Davis. which also dealt with an investigation in the field of education. the Arthur McPhaul case. which involved an investigation of Communist activities in the vital defense area of Detroit. and the Wilkinson and Braden cases. the decisions in which was rendered on Monday of this week. involving an investigation of Communist infiltration in the textile and other basic industries located in the South. and Communist Party propaganda activities in the South. In the Wilkinson case. the interrogator for the committee explained to the witness that the committee was considering H.R. 9937. This bill. among other things. relates to immigration and passport security. amendments to the Foreign Agents Registration Act. wiretapping. and other matters. all of which. the gentleman from California claims. are not in the jurisdiction of this committee. In referring to the committees explanation. the Court stated: All of these sources indicate the existence of a legislative purpose. And the determination that purposes of the kind referred to are unassailably valid was a cornerstone of our decision in Barenblatt. supra: "That Congress has wide power to legislate in the field of Communist activity in this country. and to conduct appropriate investigations in aid thereof. is hardly debatable.
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immigration