Antecedents of DNA-based method to improve the presentation of forensic evidence

Abstract

Forensic science is critical to the conviction of the guilty and the acquittal of the innocent. Technology is found could increases the speed and efficacy of forensic work, yet still uncertain to maintain or enhance the quality of forensic work for the presentation of evidence. Further, no comprehensive study found on role and type of antecedents of DNA-based methods in enhancing the success and presentation of forensic evidence. Thus, the aim of this paper is to present the significant antecedents of DNA-based method, build up from two theories called scientific theories of forensic evidence and Social theory. The results are based on the survey related to the role and type of antecedents of DNA- based method towards the presentation of forensic evidence that was conducted in the United Arab Emirates DNA Forensic laboratory. This paper study uses questionnaires as the principal data collection instrument for testing the five hypotheses and five significant antecedents found are; 1) establishment of the causation 2) laboratory standards, 3) interpretation, 4) removal of coincidental match and, 5) the role of technology towards evidence presentation. All these findings, are believed provides contribution to existing knowledge of scientific theory to forensic evidence and practice of forensic activities.