n SA Crime Quarterly - 2014 (1) SACR 66 (SCA) - the practicality of challenging DNA evidence in court

Volume 2015, Issue 52
  • ISSN : 1991-3877



The techniques used in DNA profiling are well established and scientifically validated. The scientific validity of DNA evidence can, however, be so persuasive that such evidence risks being reduced to proof of guilt or innocence. Thus, the incorrect use of DNA evidence could lead to a miscarriage of justice where the innocent are convicted and the guilty are acquitted. Drawing from the Supreme Court of Appeal decision in ( case), this case note discusses how DNA evidence can be placed in its proper forensic context. The article sets out the ideal role of expert witnesses, the role of opposing or neutral experts, and the active role of judicial officers in evaluating DNA evidence.

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