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DNA Evidence
DNA evidence

As a new technology in criminal justice, DNA is reforming the criminal justice system, in that it can help solve crimes with unprecedented accuracy. DNA evidence is based on small samples of genetic material from individuals that are collected at the scene of a crime, tested, and stored, and later used as evidence in court. The tremendous value of DNA evidence resides in the confluence of two factors: that violent crime typically results in the shedding of biological material in the form of blood, semen, saliva, small amounts of skin, or hair; and that DNA found in the cells of these samples holds the unique genetic code of the individual to whom it belongs. Once the DNA is analyzed in a crime ...

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