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FBI admits flaws in hair analysis over decades (1 Viewer)

whoknew

Footballguy
First it was bite mark evidence. Now its hair evidence. How many people have been convicted on bull#### science? Forensic science needs a complete overhaul. 

Here's a link to the entire article. And here's the intro:

The Justice Department and FBI have formally acknowledged that nearly every examiner in an elite FBI forensic unit gave flawed testimony in almost all trials in which they offered evidence against criminal defendants over more than a two-decade period before 2000.

Of 28 examiners with the FBI Laboratory’s microscopic hair comparison unit, 26 overstated forensic matches in ways that favored prosecutors in more than 95 percent of the 268 trials reviewed so far, according to the National Association of Criminal Defense Lawyers (NACDL) and the Innocence Project, which are assisting the government with the country’s largest post-conviction review of questioned forensic evidence.

The cases include those of 32 defendants sentenced to death. Of those, 14 have been executed or died in prison, the groups said under an agreement with the government to release results after the review of the first 200 convictions.

...

The admissions mark a watershed in one of the country’s largest forensic scandals, highlighting the failure of the nation’s courts for decades to keep bogus scientific information from juries, legal analysts said. The question now, they said, is how state authorities and the courts will respond to findings that confirm long-suspected problems with subjective, pattern-based forensic techniques — like hair and bite-mark comparisons — that have contributed to wrongful convictions in more than one-quarter of 329 DNA-exoneration cases since 1989.

 
jesus... how awful...

Really dont see how anyone can support the death penalty hearing cases like this... and this is far from the first time we've heard it.  The convictions are bad enough. 

 
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I guarantee 99.99% of those people deserved to be in jail anyways. 

 
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I handled a death penalty case pro bono for several years.

We found a lot of evidence that our guy had not committed the crime.  We talked with seven of the 12 jurors about the evidence.  One of the jurors said that he was convinced our guy hadn't committed this crime, but that he didn't mind a few innocent people being convicted because "it helps get the trash off the streets."

Not sure why I just thought of that.

 
Inside the White House Report Blasting Some Forensic Disciplines

...

The forensic review recommended:

  • DNA mixtures. The combined-probability of inclusion (CPI) analysis of complex mixtures does not have a valid foundation, they found. Instead, probabilistic genotyping software needs to be further validated by third parties, they added.
  • Bitemarks and hair analysis, which have come under fire over the last year, do not meet scientific standards, the panel said.
  • Shoeprints and footwear comparisons, beyond size and make, are not scientifically valid.
  • Latent fingerprints are “heading in the right direction” from a forensic science standpoint – especially with a recent FBI “black box” analysis.
  • Firearms and ammunition comparison need to be better explained to juries. But a fully-automated analysis method could be coming in the near future, which would provide further validation.
 
I handled a death penalty case pro bono for several years.

We found a lot of evidence that our guy had not committed the crime.  We talked with seven of the 12 jurors about the evidence.  One of the jurors said that he was convinced our guy hadn't committed this crime, but that he didn't mind a few innocent people being convicted because "it helps get the trash off the streets."

Not sure why I just thought of that.
Christ.

 
Inside the White House Report Blasting Some Forensic Disciplines

...

The forensic review recommended:

  • DNA mixtures. The combined-probability of inclusion (CPI) analysis of complex mixtures does not have a valid foundation, they found. Instead, probabilistic genotyping software needs to be further validated by third parties, they added.
  • Bitemarks and hair analysis, which have come under fire over the last year, do not meet scientific standards, the panel said.
  • Shoeprints and footwear comparisons, beyond size and make, are not scientifically valid.
  • Latent fingerprints are “heading in the right direction” from a forensic science standpoint – especially with a recent FBI “black box” analysis.
  • Firearms and ammunition comparison need to be better explained to juries. But a fully-automated analysis method could be coming in the near future, which would provide further validation.
And yet:

Immediately, Attorney General Loretta Lynch released a statement indicating she would ignore the recommendations.

“We remain confident that, when used properly, forensic science evidence helps juries identify the guilty and clear the innocent, and the department believes that the current legal standards regarding the admissibility of forensic evidence are based on sound science and sound legal reasoning,” Lynch said in a statement. “While we appreciate their contribution to the field of scientific inquiry, the department will not be adopting the recommendations related to the admissibility of forensic science evidence.”
The FBI chimed in to say they would be ignoring the report as well.

 
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I handled a death penalty case pro bono for several years.

We found a lot of evidence that our guy had not committed the crime.  We talked with seven of the 12 jurors about the evidence.  One of the jurors said that he was convinced our guy hadn't committed this crime, but that he didn't mind a few innocent people being convicted because "it helps get the trash off the streets."

Not sure why I just thought of that.
Christ.
Still.

 

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