DNA analysis: Outlined the culprit's face
From the identification of terrorist Osama bin Laden to prove the criminals raped, vindicated for those sentenced to false . DNA analysis has become an indispensable scientific tool for police and industry. Justice.
In order to confirm the death of bin Laden, the experts of the US Central Intelligence Agency (CIA) compared the picture of this character while he was alive and the photo of the corpse, then compared the sample. This person's DNA with records of some family members of the Al Qeada leader.
Most recently, DNA analysis results of former director of the International Monetary Fund Dominique Strauss Kahn matched the test results of semen samples on the clothes of 32-year-old roomkeeper - plaintiff accused Mr. Strauss Kahn of assault. sex her on May 14 at a hotel in New York.
DNA analysis gives almost absolute accuracy.(Illustration)
According to Bonner Dento, professor of chemistry and geological science, DNA analysis techniques have almost absolute accuracy, more advanced than forensic or fingerprint-based assessment techniques. Thanks to DNA analysis techniques, many inmates in the United States have been released after being found guilty of relying on inaccurate medical analysis.
DNA analysis began to be applied to the US crime handling system in 1987, helping to find the culprit of a rape in Florida. The FBI applies a combined DNA index system (CODIS) with a list of millions of DNA samples. This system can automatically compare DNA samples of those arrested or suspected with samples stored in the system.
This method helps investigators to prove the crime of 140,000 criminals since 1994 and 269 suspects innocent from 1989 up to now. A federal investigation conducted in the 1990s showed that 25% of suspects were unjustly solved by DNA analysis.
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