Com. v. Walker
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Summary

The PA Supreme Court held expert testimony on eyewitness identification is no longer categorically inadmissible. Trial courts may admit expert testimony on scientifically established factors affecting memory and eyewitness reliability.

2014 | State Juristiction

Com. v. Walker

Keywords expert testimony; memory; eyewitness reliability; admissibility; scientific factors
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Summary

The Pennsylvania Supreme Court determined that expert testimony regarding eyewitness identification is no longer entirely disallowed. Trial courts now have the option to allow experts to provide testimony on factors that are scientifically proven to influence memory and the accuracy of eyewitness accounts.

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Summary

The Pennsylvania Supreme Court has changed its stance on expert testimony regarding eyewitness identification. Previously, such testimony was always disallowed in court. Now, trial courts have the discretion to permit expert witnesses to present information on scientific factors that are known to influence memory and the accuracy of eyewitness accounts.

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Summary

The Pennsylvania Supreme Court has changed its rules about when experts can speak in court about eyewitness identification. Courts can now allow experts to share information about scientific factors that influence memory and how reliable an eyewitness's statement might be.

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Summary

The highest court in Pennsylvania made a decision about people who see crimes happen. It used to be that experts could not talk in court about how eyewitnesses might make mistakes. Now, courts can let experts share information about things that are known to affect memory. This can help explain if an eyewitness's story might not be perfect.

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Footnotes and Citation

Cite

Com. v. Walker, 625 Pa. 450 (2014)

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