Expert evidence and forensic science in the courtroom
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Contents

  • Introduction
  • Learning outcomes
  • 1 Rationale for expert evidence
  • 2 Admissibility of expert evidence
    • 2.1 Relevance
    • 2.2 Assistance
    • 2.3 Reliability
    • 2.4 Expertise
    • 2.5 Hearsay
  • 3 Duties and responsibilities of an expert
    • 3.1 Hired guns and bias
    • 3.2 The Civil Procedure Rules
    • 3.3 Liability and immunity of experts
      • 3.3.1 Criminal liability
      • 3.3.2 Civil liability and immunity
      • 3.3.3 Disciplinary proceedings
  • 4 How non-experts can scrutinise experts
    • 4.1 Other means of scrutinising experts
  • 5 Numbers
    • 5.1 The prosecutor’s fallacy
    • 5.2 Partial solutions
  • 6 When science meets law
    • 6.1 An introduction to Bayesianism
    • 6.2 Bayes’ Rule in practice: the likelihood ratio
    • 6.3 The problem with Bayes’ Rule
      • 6.3.1 Bayesian fundamentalism
      • 6.3.2 Bayesian skepticism
  • 7 Expert evidence case study
    • 7.1 The Sally Clark case
    • 7.2 The statistical evidence
    • 7.3 The medical evidence
    • 7.4 The aftermath
  • Conclusion
  • Exploring further
  • References
  • Acknowledgements

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