Sweezy v. New Hampshire Ex Rel. Wyman

in which Mr. Justice Black, Mr. Justice Douglas,, and Mr. Justice Brennan join.

This case, like Watkins v. United States, ante, p. 178, brings before us a question concerning the constitutional limits of legislative inquiry. The investigation here was conducted under the aegis of a state legislature, rather than a House of Congress. This places the controversy in a slightly different setting from that in Watkins. The ultimate question here is whether the investigation deprived Sweezy of due process of law under the Fourteenth Amendment. For the reasons to be set out in this opinion, we…