The following excerpt is from USA. v. Duran, 189 F.3d 1071 (9th Cir. 1999):
9. When a witness is granted use immunity, "the government may prose- cute the witness for an offense related to the subject matter of the wit- ness's testimony, [but] the testimony itself and any `fruits' thereof may not be used against the witness in any criminal case except a prosecution for perjury arising out of the testimony." United States v. Lord, 711 F.2d 887, 890 (9th Cir. 1983). The government's power to grant a witness use immunity is conferred by 18 U.S.C. SS 6002-6003.
9. When a witness is granted use immunity, "the government may prose- cute the witness for an offense related to the subject matter of the wit- ness's testimony, [but] the testimony itself and any `fruits' thereof may not be used against the witness in any criminal case except a prosecution for perjury arising out of the testimony." United States v. Lord, 711 F.2d 887, 890 (9th Cir. 1983). The government's power to grant a witness use immunity is conferred by 18 U.S.C. SS 6002-6003.
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