Gelbard v. United States 408 U.S. 41 (1972)
GELBARD v. UNITED STATES 408 U.S. 41 (1972)
The Supreme Court held that a witness who refuses to answer a grand jury question derived from illegal electronic surveillance may not be held in contempt. Title III of the omnibus crime control and safe streets act excludes from grand jury proceedings any evidence obtained from illegal surveillance and a witness need not answer a question based on such information.
"Gelbard v. United States 408 U.S. 41 (1972)." Encyclopedia of the American Constitution. . Encyclopedia.com. (September 24, 2018). http://www.encyclopedia.com/politics/encyclopedias-almanacs-transcripts-and-maps/gelbard-v-united-states-408-us-41-1972
"Gelbard v. United States 408 U.S. 41 (1972)." Encyclopedia of the American Constitution. . Retrieved September 24, 2018 from Encyclopedia.com: http://www.encyclopedia.com/politics/encyclopedias-almanacs-transcripts-and-maps/gelbard-v-united-states-408-us-41-1972