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Even though DNA is so revolutionary and has aided
in the prosecution of countless criminals, it hasn’t
gone unnoticed by critics. In fact, it’s because
of its high success rate that many defense attorneys
attack it whenever the test results are unfavorable
to their cases. Others believe that DNA tests don’t
account for differences in ethnicity; whereas one
ethnic group may have a higher probability of sequence
matches than another group--in short, not much is
known about how DNA is sequenced amongst the different
races. People are also concerned about incorrect
handling of evidence by police; a prime example
of this was seen in the O.J. Simpson criminal trial.
If the evidence to be genetically tested isn’t handled
with extreme care, the DNA could be damaged, producing
faulty test results. Still, though, DNA tests are
undeniably the best forensic evidence available.
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