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Forensic Evidence Isn't As Reliable As You Might Think | ThinkProgress

23.10.15

Forensic Evidence Isn't As Reliable As You Might Think | ThinkProgress:

If you were to judge the criminal justice system based on TV shows
like Law and Order or CSI, you might think forensic evidence is
conclusive proof of a person’s guilt. Reality is much messier. DNA is
widely considered an accurate indicator of a defendant’s involvement in a
crime, but prosecutors also turn to less trustworthy evidence,
including hair microscopy, bite mark comparisons, firearm tool mark analysis and shoe print comparisons. There is little research to suggest that forensic matches are scientific and infallible.


The FBI and DOJ recently admitted
that hundreds of convictions involved flawed hair comparisons, even
though research about how common it is for different people’s hair to
look the same does not exist. Similarly, there are no scientific studies
proving that individuals have unique fingerprints or dental prints.
There are no guidelines to determine a match between a shoe print found
at a crime scene and that of a suspect. And there is no proof that
bullet marks are uniquely connected to a specific firearm.


Read the full article … 

Dispatch: Aboriginal Press Media Group  |   Permalink  |   [23.10.15]  |   0 comments

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