Hair Analysis and DNA
- Jul 7, 2016
- 1 min read
In 154 of the DNA exonerations, invalid or improper forensic testing and testimony played a part in the conviction. We have been able to use modern advancements in DNA to take a more critical look at the now out-dated forensic tools used to convict thousands of people around the United States and the globe. There have been significant developments in ballistics, fingerprinting, arson, shaken baby syndrome, microscopic hair comparison, and many others. Before DNA, we used serology, blood typing, or microscopic hair comparison to try to help us figure out who committed the crime. As we know now, that testing is not very discriminatory and, compared to what we can do now with DNA, not very useful.
It is truly alarming to see how many wrongful convictions were built upon forensic methods that have since been proven unreliable. Your post highlights a critical issue in our justice system, as relying on outdated, less discriminatory forensic science—instead of modern DNA testing—often leads to tragic miscarriages of justice. Moving forward, it is essential that we continue to critically evaluate these older procedures; by applying rigorous Structural Techniques, we can better assess the validity of past evidence and ensure that the integrity of our legal system is upheld through more accurate, science-based standards.
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It is shocking to see how many convictions were based on science that we now know is totally outdated. Getting all the different pieces of evidence to line up correctly feels as complex as layering beats in Sprunki Retake . I’m definitely going to keep reading up on how DNA is being used to clear innocent people!
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