The following excerpt is from U.S. v. Swacker, 628 F.2d 1250 (9th Cir. 1980):
In United States v. Washington, a person who was suspected of participating in a theft was called upon to testify before a grand jury investigating the theft. He was given warnings concerning his right to remain silent, a card containing Miranda warnings, and he signed a form which acknowledged his waiver of the privilege against self-incrimination. However, he was not told that he was a target of the investigation. After testifying, he was indicted for his involvement in the theft.
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