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Describe how DNA has enhanced law enforcement.
DNA profiles at the local, State, and national levels have greatly enhanced law enforcement's ability to solve cases with DNA. [ Convicted offender databases store hundreds of thousands of potential suspect DNA profiles, against which DNA profiles developed from crime scene evidence can be compared. Given the recidivistic nature of many crimes a likelihood exists that the individual who
committed the crime being investigated was convicted of a similar crime and already has his or her DNA profile in a DNA database that can be searched by the Combined DNA Index System (CODIS). Moreover, CODIS also permits the cross-comparison of DNA profiles developed from biological evidence found at crime scenes. Even if a perpetrator is not identified through the database, crimes may be linked to each other, thereby aiding an investigation, which may eventually lead to the identification of a suspect. ]
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Asked 5/16/2012 1:51:32 PM
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