Emspak v. United States

This is a companion case to Quinn v. United States, ante, p. 155. Challenged in each proceeding is a conviction under 2 U. S. C. § 192 in the District Court for the District of Columbia.1 The two cases arose out of the *192same investigation by the Committee on Un-American Activities of the House of Representatives. Because of the similarity of the legal issues presented, the cases were consolidated for argument in this Court.

Pursuant to subpoena, petitioner appeared on December 5, 1949, before a subcommittee of the Committee on Un-American Activities. The subcommittee consisted of a single…