In U.S. v. Rangel-Guzman, the 9th Circuit holds that a prosecutor commits error by phrasing cross-examination questions regarding a witnesses’ prior inconsistent statements as “but you told us” and “I asked you and you said.” Such questions violate the advocate-witness rule.
The defendant was arrested at the border while trying to transport 91.4 kilos of marijuana into the U.S. The marijuana was hidden in a compartment behind his backseat.
The defendant was arrested and charged with the federal offenses of Unlawful Possession With intent to Distribute. While the case was pending, the Federal prosecutor interviewed the defendant. Eventually, the case went to trial.
The court reasoned that the Prosecutor engaged in improper vouching by effectively acting as a witness. Vouching occurs when a prosecutor “places the prestige of the government behind the witness or indicates that information not presented to the jury supports the witness’s testimony.” United States v. Roberts, 618 F.2d 530, 533 (9th Cir. 1980).
The Advocate-Witness Rule prohibits attorneys from testifying in a trial they’re litigating; the rule “expresses an institutional concern, especially pronounced when the government is a litigant, that public confidence in our criminal justice system not be eroded by even the appearance of impropriety.” United States v. Prantil, 764 F.2d 548, 553 (9th Cir. 1985).
Here, the prosecutor made a number of statements that used variations on “but you told us” and “I asked you and you said,” as well as assertions of fact about what had occurred during the meeting: “Well, we went over and over it, Mr. Rangel,” “Do you remember last week I specifically asked you multiple times who accompanied you to the Quinceanera?” And she left no doubt about her personal feelings during the meeting: “Don’t you remember that I was shocked that you were saying that it was four to five months before you got arrested that you met Martha?”
The court concluded that undoubtedly, the Prosecutor was asking the jury to choose whether to believe her or the defendant. This was highly improper and unfair to the defendant.
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