Cite as: 504 U. S. 36 (1992)
Stevens, J., dissenting
bullying and arguing with witnesses; and in general, of conducting himself in a thoroughly indecorous and improper manner. . . .
"The prosecuting attorney's argument to the jury was undignified and intemperate, containing improper insinuations and assertions calculated to mislead the jury." Id., at 84-85.
This, of course, is not an exhaustive list of the kinds of improper tactics that overzealous or misguided prosecutors have adopted in judicial proceedings. The reported cases of this Court alone contain examples of the knowing use of perjured testimony, Mooney v. Holohan, 294 U. S. 103 (1935), the suppression of evidence favorable to an accused person, Brady v. Maryland, 373 U. S. 83, 87-88 (1963), and misstatements of the law in argument to the jury, Caldwell v. Mississippi, 472 U. S. 320, 336 (1985), to name just a few.
Nor has prosecutorial misconduct been limited to judicial proceedings: The reported cases indicate that it has sometimes infected grand jury proceedings as well. The cases contain examples of prosecutors presenting perjured testimony, United States v. Basurto, 497 F. 2d 781, 786 (CA9 1974), questioning a witness outside the presence of the grand jury and then failing to inform the grand jury that the testimony was exculpatory, United States v. Phillips Petroleum, Inc., 435 F. Supp. 610, 615-617 (ND Okla. 1977), failing to inform the grand jury of its authority to subpoena witnesses, United States v. Samango, 607 F. 2d 877, 884 (CA9 1979), operating under a conflict of interest, United States v. Gold, 470 F. Supp. 1336, 1346-1351 (ND Ill. 1979), misstating the law, United States v. Roberts, 481 F. Supp. 1385, 1389, and n. 10 (CD Cal. 1980),8 and misstating the facts on cross-8 The court found the Government guilty of prosecutorial misconduct because it "fail[ed] to provide the polygraph evidence to the Grand Jury despite the prosecutor's guarantee to Judge Pregerson that all exculpatory evidence would be presented to the Grand Jury, and compound[ed] this indiscretion by erroneously but unequivocally telling the Grand Jury that
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