Category: experts

Expert Testimony about Eyewitness Identification

This post addresses three recurrent issues concerning eyewitness identification:

  1. When, if at all, is expert testimony about eyewitness identification admissible?
  2. When, if at all, is an indigent defendant entitled to funds with which to hire an expert on eyewitness identification?
  3. May jury instructions, rather than expert testimony, be used to inform the jury about factors relevant to the accuracy of an eyewitness identification?
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Discovery and Testimony about an Expert’s Experience with Sexual Abuse Victims

The rules of thumb about expert testimony in child sexual abuse cases are (1) that an expert can’t testify that a child was, in fact, abused absent physical evidence, and (2) that an expert can testify to common characteristics or “profiles” of sexual abuse victims. A recent court of appeals case holds that even if the State doesn’t give notice of an expert’s opinion regarding victims’ characteristics, the expert has the leeway to discuss his or her own experiences with survivors of sexual abuse.

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