Navigating the Battlefield: Overcoming the ‘Hired Gun’ Phenomenon in Forensic Child Care Assessments.

Influence on Judicial Decisions

  • Expert evidence must be independent, created without influence from the litigation pressures, and should appear so to the court.
  • Experts should offer independent assistance to the court through objective, unbiased opinions within their areas of expertise, avoiding advocacy roles.
  • Experts must clearly state the facts or assumptions that underpin their opinions, considering all relevant material facts that could impact their conclusions.
  • Experts should acknowledge the limitations of their expertise, identifying issues beyond their professional scope.
  • If the expert’s opinion is provisional due to limited data, this should be explicitly stated, indicating the tentative nature of the conclusion.

  • Experts should base their testimony on solid theoretical or factual foundations, directly addressing the relevant issues, as highlighted in Wright v Medi-Clinic Ltd [2007] 2 All SA 515 (C). The credibility of an expert may be compromised if they are unwilling to acknowledge concessions where necessary, as noted in Schneider.
  • Legal professionals, as court officers, are expected to uphold honesty, fairness, and integrity, avoiding actions that could tarnish their reputation, a principle echoed in Lewis’s Legal ethics: A guide to professional conduct for South African Attorneys and further discussed by JR Midgley in ‘Ethical and Legal Duties’ (1990).

  • Verify the expert’s credentials, experience, and subject matter relevance. Evaluate their prior testimony experiences, publication history, and overall professional standing.
  • Maintain professional distance to preserve the expert’s independence, especially if there exists a prior social connection between the lawyer and the expert.
  • Understand the historical relationship between the expert and the client, particularly in medical or therapeutic contexts, to prevent potential bias.
  • Ensure the expert’s report is comprehensive, educational, and relevant to the case at hand, understandable to all parties and the court.
  • Refrain from influencing the expert’s opinion or testimony, as this could lead to ethical violations and adverse legal repercussions.