... who resembles it to evidential "black box" and "black hole," and Farrington2 who argues that DNA stands for "Do Not Accept." It is the myth that DNA evidence is infallible which has led to such criticisms. It has also been reported that most cases in which DNA evidence is presented end in conviction3. The collection and preservation of evidence are quite sensitive procedures which entail great dangers. DNA evidence may be contaminated if appropriate care is not taken. Therefore, the prosecution must be able to specify the chain of custody of a DNA sample which produced a DNA profile. Furthermore, the sample cannot produce an accurate profile if it has been subject to degradation. The significance of a match after the profiling process is also an area where lawyers have challenged DNA evidence. There may be unexplained discrepancies between two profiles, or inaccurate databases chosen. The presentation of ...

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