What is the role of a prosecutor in a criminal case?

Moreover, a prosecutor plays an important role in the criminal process. Prosecutors, both government and specially appointed, have an ethical duty to ensure that "justice be . . . done" and, while responsible for prosecuting the guilty, they must also make sure that the innocent do not suffer. Id. at 803 (internal quotation marks omitted); Berger v. United States, 295 U.S. 78, 88 (1935) (describing the role of prosecutors). In a situation where serious criminal penalties are at stake, an independent prosecutor can help place needed distance between the offended court and the alleged wrongdoer.

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