DNA fingerprinting can be used to show that someone is innocent of a crime.

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DNA fingerprinting is a powerful forensic tool that can be used to confirm the guilt or innocence of a suspect in a crime. If a DNA sample from a crime scene does not match the DNA of a suspected perpetrator, the suspect can be cleared of any involvement in the crime. This has been used to exonerate individuals who were wrongfully convicted of a crime based on other evidence, and DNA evidence has helped to free many such individuals.

DNA Fingerprinting Can Be Used to Show That Someone Is