78, 94 S.Ct. 316, 38 L.Ed.2d 274 (1973). The Government did not grant Jimarez such immunity here. Third, an individual may lose his right to claim the privilege if, in a single proceeding, he voluntarily testifies about a subject and then invokes the privilege when asked to disclose the details. See Mitchell, 526 U.S. at 321, 119 S.Ct. 1307; Rogers, 340 U.S. at 372-73, 71 S.Ct. 438; United States v. Constantine, 263 F.3d 1122, 1128 n. 4 (10th Cir.2001); Nunez, 668 F.2d at 1121 n. 2. In such cases, the “privilege is waived for the matters to which the witness testifies, and the scope of the waiver is determined by the scope of relevant cross-examination.” Mitchell, 526 U.S. at 321, 119 S.Ct. 1307; see also Constantine, 263 F.3d at 1128 n. 4. But see Emspak, 349 U.S. at 198, 75 S.Ct. 687 (<HOLDING>). The Supreme Court has explained that pleading
holding that the statement ill take the fifth was an assertion of the fifth amendment privilege holding prelitigation waiver of jury trial must be made knowingly and voluntarily and courts will indulge in every reasonable presumption against a waiver of that right recognizing that courts will indulge in every reasonable presumption against waiver of the constitutional right to trial by a jury recognizing that courts must indulge every reasonable presumption against a testimonial waiver of the fifth amendment privilege holding that voluntary testimony before a grand jury did not waive the privilege at trial because it is settled that a waiver of the fifth amendment privilege is limited to the particular proceeding in which the waiver occurs