Cite as: 536 U. S. 622 (2002)
Opinion of the Court
(1973) (counsel failed to find a potential constitutional infirmity in grand jury proceedings). It is difficult to distinguish, in terms of importance, (1) a defendant's ignorance of grounds for impeachment of potential witnesses at a possible future trial from (2) the varying forms of ignorance at issue in these cases.
Third, due process considerations, the very considerations that led this Court to find trial-related rights to exculpatory and impeachment information in Brady and Giglio, argue against the existence of the "right" that the Ninth Circuit found here. This Court has said that due process considerations include not only (1) the nature of the private interest at stake, but also (2) the value of the additional safeguard, and (3) the adverse impact of the requirement upon the Government's interests. Ake v. Oklahoma, 470 U. S. 68, 77 (1985). Here, as we have just pointed out, the added value of the Ninth Circuit's "right" to a defendant is often limited, for it depends upon the defendant's independent awareness of the details of the Government's case. And in any case, as the proposed plea agreement at issue here specifies, the Government will provide "any information establishing the factual innocence of the defendant" regardless. That fact, along with other guilty-plea safeguards, see Fed. Rule Crim. Proc. 11, diminishes the force of Ruiz's concern that, in the absence of impeachment information, innocent individuals, accused of crimes, will plead guilty. Cf. McCarthy v. United States, 394 U. S. 459, 465-467 (1969) (discussing Rule 11's role in protecting a defendant's constitutional rights).
At the same time, a constitutional obligation to provide impeachment information during plea bargaining, prior to entry of a guilty plea, could seriously interfere with the Government's interest in securing those guilty pleas that are factually justified, desired by defendants, and help to secure the efficient administration of justice. The Ninth Circuit's rule risks premature disclosure of Government witness information, which, the Government tells us, could "disrupt ongoing
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