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Does DNA profiling in its current state offer foolproof identification What needs to be in place for it to be error-free Should all incarcerated criminals be forced to give samples Should convicted juveniles Should the general public be required to give a DNA sample The pros of DNA profiling are that it can be used to quickly eliminate a suspect saving time in searches for perpetrators And it can provide compelling evidence to support a conviction and most importantly reduce the chances of a wrongful conviction Another pro os DNA profiling is paternity testing usually to determine fatherhood of a child when this is disputed It may also be used in helping to identify whether objects have been handled by or belonged to a missing person Also in rape cases there is no need for a victim to testify about whether a sexual act took place Theres no question typically about mistaken identity being the problem because DNA from a semen sample can be used to link a suspect to that semen sample In fact it has been useful for excluding innocent people The FBI says that of many test results that they could never exclude with standard blood markers nearly a third of those people are exonerated immediately upon DNA testing Many rapists because of this now plead guilty The cons of DNA profiling are the accuracy of DNA profiling in matching to people depends on the technique used and particularly the number of loci checked While this is getting better so the chances of a false match are very small the courts have not yet accepted it as absolute proof of identity If a particular exhibit is handled by a number of people the DNA profiling results indicate a mixture so interpretation is not always straightforward Also how a person processs DNA samples if they do a messy job and the ink is smeared it would not be of use
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