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Eyewitness identification evidence, particularly from social media, can be unreliable due to event stress. This case highlights the importance of scrutinizing identification procedures in legal proceedings.

Keywords:
BayleyFacebook identificationeyewitness evidenceeyewitness identificationidentification evidenceidentification procedurephotoboard identification

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Area of Science:

  • Forensic Psychology
  • Legal Psychology
  • Cognitive Psychology

Background:

  • The case of DPP v Bayley (2015) involved a conviction based primarily on eyewitness identification.
  • The victim identified the perpetrator 12 years after the assault, initially via Facebook.
  • The conviction was later overturned due to weaknesses in the identification evidence.

Purpose of the Study:

  • To review empirical evidence concerning the weaknesses in eyewitness identification.
  • To examine the impact of event stress on identification reliability.
  • To explore reasons for jury conviction despite weak identification evidence.

Main Methods:

  • Analysis of legal precedents cited in the DPP v Bayley appeal.
  • Review of empirical research on eyewitness memory and identification.
  • Examination of psychological factors influencing identification accuracy.

Main Results:

  • The court of appeal found the identification evidence to be flawed.
  • Empirical evidence suggests stress can impair identification accuracy.
  • The victim's prior knowledge of the accused may have influenced the identification.

Conclusions:

  • Eyewitness identification, especially when delayed or influenced by external factors, requires careful judicial scrutiny.
  • The reliability of identification evidence is a critical factor in ensuring justice.
  • Understanding cognitive biases is essential in legal contexts involving eyewitness testimony.