Body Fluids and DNA


Principal Forensic Services’ experts provide consultancy services and can undertake reviews of body fluid and DNA profiling findings in criminal cases on behalf of the defence or prosecution and in civil casework.  However, we do not have laboratory facilities and are therefore unable to undertake primary search and testing of items,  and do not offer DNA testing for either criminal or civil cases. If this is required, we can advise on suitable DNA tests and on accredited laboratories that can provide such analysis.

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Forensic services in body fluids and DNA

Our reviews can encompass, as required:

  • Appraisal of the methods used in the original examination to target, locate and identify body fluids and DNA
  • Independent interpretation of reported results
  • Review of the robustness of a DNA match and the associated match statistic
  • Evaluation in relation to the transfer and persistence of body fluids and DNA
  • Review of continuity and contamination concerns
  • Explanation of what the evidence means
  • Identification of new opportunities for case progression, including defining an appropriate strategy for any further testing
  • Evaluation of the scientific findings in the context of the case circumstances, against both the prosecution and defence accounts
  • Provision of advice during court proceedings
  • Presentation of expert evidence at court

PFS do not have facilities for DNA analysis and do not offer DNA testing for either criminal or civil cases. If this is required then we can advise on suitable DNA tests and on accredited laboratories that can provide such analysis.