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How Reliable is DNA Testing in Forensic

Court accepts DNA tests results as evidence in the prosecution of crime and legal litigation, although courts insist on the accuracy of DNA testing sometimes it can be difficult to tell if the whole process right from collecting DNA from the crime scene was appropriate, given series of people involved along the way, for these reasons questions, have been raised on the reliability of DNA test results as evidence of a crime, this result to many people hiring an attorney to challenge the admissibility of DNA results as evidence in criminal cases. In case you find yourself accused of a crime with DNA as the main evidence, hire an experienced and professional criminal defense attorney who is familiar with DNA cases and processes, such attorney knows all the techniques involved in DNA collection and testing and can question the reliability of the process which can question the reliability of DNA testimony in your criminal case. Although the use of DNA tests as evidence continues to become popular because of its matched ability to identify criminals, DNA cases are highly susceptible to errors, this article has outlined some common sources of these errors so keep reading this article.

The reliability of DNA cases is dependent among other things the reliability of DNA collection procedure, however, it can be difficult to ensure the highly sensitive molecular evidence was not compromised, destroyed, or contaminated when having a couple of people at the crime scene, when searching for DNA information at a crime scene investigators involve forensic team, witnesses, police, and forensic support staff, with all these individuals around it, is uncertain to know they are careful to avoid damaging, contaminating or compromising the DNA.

In most cases DNA in a crime scene is collected from semen, blood stains, dead skin, hair among other things, the question arises whether the collected DNA information was enough to provide reliable evidence that can be used in a court of law, there is also the question whether the DNA evidence has been destroyed by exposure to heat or cold and how can police be certain is from the guilty individual, this is because there is a possibility of the DNA coming from an innocent person at the crime scene unknowingly, all these questions highlight chances for DNA to be compromised or mischaracterized even when the forensic investigators and the whole team is careful with DNA collection at the crime scene.

Human beings have over 99.9 percent DNA similarity with 0.1 percent being distinct to a specific individual, this makes it challenging for the forensic team to use DNA collected from a small sample in a crime scene which may be compromised or damaged as evidence, however, with modern technology reliability of finding the distinct 0.1 percent DNA from a small sample has seen DNA evidence becoming more and more admissible in courtroom. Those are some factors that questions the reliability of DNA evidence.

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