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DNA testing  

Definition

  • Analysis of physical evidence left at the scene of a crime often plays a critical role in identifying the individuals who were involved in the crime. In many sexual assaults, this evidence is semen left by the perpetrator; in violent crimes it might be blood or bits of tissue from the victim or the assailant. [Source: Encyclopedia of Law Enforcement; DNA Testing]

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https://concepts.sagepub.com/social-science/concept/DNA_testing

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