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Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic &#8216;Touch DNA&#8217; Evidence
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Forensic bitemark identification: weak foundations, exaggerated claims.

Michael J Saks1, Thomas Albright2, Thomas L Bohan3

  • 1Regents Professor, Arizona State University, Phoenix, AZ, USA.

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|August 31, 2017
PubMed
Summary
This summary is machine-generated.

Bitemark identification, a pattern-matching forensic science, faces elimination due to lack of scientific validity. DNA exonerations and legal scrutiny highlight its unreliability as trial evidence.

Keywords:
admissibilitybite markexpert evidenceforensic science

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Area of Science:

  • Forensic Science
  • Forensic Odontology
  • Legal Medicine

Background:

  • Pattern-matching forensic sciences are increasingly scrutinized for scientific validity.
  • Bitemark identification is a likely candidate for elimination from trial evidence.
  • Recent DNA exonerations have been linked to erroneous bitemark identifications.

Purpose of the Study:

  • To examine the legal basis for the rise of bitemark identification.
  • To analyze the scientific basis for the decline of bitemark identification.
  • To discuss the broader implications for forensic science and legal evidence evaluation.

Main Methods:

  • Review of legal precedents and scientific literature.
  • Analysis of empirical research on bitemark identification accuracy.
  • Examination of reports from scientific and legal bodies.

Main Results:

  • Limited scientific support exists for bitemark identification.
  • Empirical research demonstrates a lack of validity and reliability.
  • National Academies and state commissions recommend caution or moratoriums.

Conclusions:

  • Bitemark identification lacks the scientific foundation for trial evidence.
  • The scrutiny of bitemark identification highlights systemic issues in forensic science.
  • The legal system struggles to evaluate and respond to unreliable scientific evidence.