California, United States of America
The following excerpt is from People v. Singh, C051615 (Cal. App. 12/19/2007), C051615 (Cal. App. 2007):
However, not every restriction of cross-examination amounts to a constitutional violation, and the trial court retains wide latitude in restricting cross-examination that is repetitive, prejudicial, confusing of the issues, or of marginal relevance. (Van Arsdall, supra, 475 U.S. at pp. 678-679 [89 L.Ed.2d at p. 683].) Unless defendant can show the prohibited cross-examination would have produced "a significantly different impression of [the witnesses'] credibility" (id. at p. 680 [89 L.Ed.2d at p. 684]), the court's exercise of its discretion in this regard does not violate either the Sixth Amendment or the California Constitution. (People v. Frye (1998) 18 Cal.4th 894, 946.)
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