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Dna Testing Pros And Cons

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With the leaps in the technology that has happened over the course of 30 years is incredible. From smart phones, to fit bits the world has become more advanced, and through these advancements have helped further investigations in the criminal system. From being able to take DNA or fingerprints and search a database for a match, to furthering our knowledge on blood splatter analysis helps the Criminal Justice System to prove if someone is truly guilty of a crime, In the year 1987 the criminal justice system started to use DNA testing as evidence in the courtroom. With this new evidence many cases have been overturned and innocent people on death row have been set free. “Improved DNA testing has led to many death row convicts being exonerated. …show more content…

There are many different ways that DNA test can be used, it can be used to help find out who the parents are if there is a body that found, or even the Mitochondrial DNA if there is hair left behind. The Mitochondrial DNA is passed down through the females in a family but it isn’t different from each person like regular DNA. When DNA test first came out it took weeks to months, getting the results but with the advances in technology makes it easier to get. “After the research determines whether the technology works well enough to deploy to the field, policymakers need to decide who can be screened and when, Elzea said. The Pentagon is developing guidance "for the use of rapid DNA analysis capabilities," she said” (Locker …show more content…

For example in the case of Vaughn, he told a different story than what the blood had shown, and was proven guilty of the crime. Blood spatter analyst can do more than read the blood that is painted all over the walls, they are able to read the blood that isn’t seen. For example if there is dehydrated blood or left over blood on the murder weapon when the murder tried to clean it, the expert has to spray water on it which will rehydrate the blood. When the blood is rehydrated they are able to extract a sample for testing. Although red blood

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