I previously posted (here) about impeaching a witness with a prior inconsistent statement. In this blog post I’ll address impeaching with evidence of bias. As our blog readers know, a witness may be impeached with evidence that he or she is biased because of, for example, affection for or dislike of a party or self-interest in the case. The case law is filled with examples. See, e.g., State v. Perkins, 345 N.C. 254, 280-82 (1997) (proper to cross-examine a defense forensic psychologist about whether he was biased against the State); State v. Wilson, 335 N.C. 220, 226 (1993) (proper for the prosecutor to ask whether the defendant had paid the witness to testify); State v. Bullock, 154 N.C. App. 234, 240-41 (2002) (proper to cross-examine a defense witness about whether she previously had an altercation with the victim); State v. Clark, 128 N.C. App. 722, 725-26 (1998) (new trial; the trial court excluded testimony of a defense witness, Mary, who would have testified in part that a State’s witness, Leowana, told her that Leowana’s family was attempting to frame the defendant); State v. Frazier, 121 N.C. App. 1, 14 (1995) (prosecutor properly asked a defense witness if she would “do anything” to get a not guilty verdict). With other impeachment methods, figuring out whether extrinsic evidence may be used can be tricky. Not so with bias. The rule is simple: Extrinsic evidence may be used to impeach regarding bias. Robert P. Mosteller et al., North Carolina Evidentiary Foundations 6-35 (2nd ed. [...]
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