Tag Archives: comparison confirmation bias

“Probabilities of Identity” from #Forensic Fingerprints get thumbs down from AAAS

The AAAS,  (the American Association for the Advancement of Science) maybe the upcoming opposition to the now Trump-run DOJ forensic “commission.” They released a report that latent print examination producing testimonial certainties as to one person identity gets the gong. The … Continue reading

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Look at the ‘Individualization Fallacy in Forensic Science Evidence’ -The Classic Article

This should be required reading in forensic courses and law schools. Even if the @NDAAJustice DAs lack the academic capacity to understand some of it, they should read it too. In 22 pages, it provides a contemporary forensic history lesson, … Continue reading

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A “discrepant” view on flawed forensics leading to later exonerations – bitemarks at al.

A mighty effort by someone connected to the National Institute of Justice to blend ‘forward thinking’ about science and better crime lab management improving the reliability of criminal convictions. The author uses a blend of data that minimizes how many … Continue reading

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Look at how well law enforcement manages forensic science -Secret hearings?

Here is how OK City handles its problems with DNA evidence in their crime lab and in high profile murder cases that are under appeal. A 2 hour pro prosecutorial soirree was in the judge’s chamber with the DNA lab … Continue reading

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Listen to how DNA analysts cheat their way to an ID from blood mixtures

For those wondering about why there is such a flap going on when crime scene blood specimens contain more than one human profile, there are similarities to bitemark analysis’ lack of bias control.  Watch this: Published on Jan 12, 2015 … Continue reading

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When convictions are used as scientific ‘proofs’ by experts -Scientific American

I’m wondering if a “scientific” american might be considered un-patriotic by some in the Beltway micro-climate. The US Attorney General likes the word “anecdotal” to describe CJ social science looking at police behavior. One problem is that he dry-labbed the … Continue reading

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A short look at what the Feds don’t like about Science and Forensics

The application of measurement (metrology) science is well established in the basic sciences. In essence it is the collection of physical data and the study of best methods to improve precision of methods. This paper has a well known fingerprint … Continue reading

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Today’s #Forensics News around the World – 1700 Fingerprints get a re-do.

Florida Fingerprint guy, self-famed as “never wrong,” gets reassigned  (to non-forensic duties) and gets a “black eye.” Lawyer says “countless convictions” in over 1700 cases. Ouch. Arizona Skull is “20 to 60 old” according to an anthro’s conservative exam. That’s a … Continue reading

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Looking at a Model Rules for Forensic Conduct – #AAFS2017

Ironically, the legal profession in the US and British Commonwealth have Rules of Conduct for lawyers. I am at a loss as to Rules for the Forensic Expert that follow these scientific method protections in research and testimony to the … Continue reading

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Election non-relief: Judges allowing risky “probably” forensic opinions

Bitemarks lead the list: NIST speaker reveals……. Conference: The 5 Problems That Stand Between Scientists and the Courtroom [excerpt:] Epstein showed the results of a recent survey of odonatologists that asked three questions about the reliability of bite marks. The … Continue reading

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