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Author Archives: csidds
Unsafe toxicology testing goes rampant in the UK – Forensic Regulator on the case
Intentional tampering cases in forensic drug case going beyond the original few hundred originally published. She said: ‘The organisation concerned held accreditation to the appropriate quality standard, but the malpractice was not discovered by the usual quality checks. ‘This raises … Continue reading
Cautions suggested on using Bayesian Stats for all forensic purposes
Steve Lund and Hari Iyer are stat guys from the National Institute of Standards and Technology. They bring forth a broader look at the ever popular use of “likelihood ratios” to support personal and scientific opinions of “match” probabilities. https://phys.org/news/2017-10-nist-urges-caution-courtroom-evidence.html
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Tagged DNA likelihood ratios, forensic examiner error, Forensic science
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Excellent look at determining homicide versus a staged suicide
Worth a look. A forensic pathologist present AT THE CRIME SCENE testifies in a murder trial on his use of tell-tale bits of info from the death scene. Smart cops called him into the investigation. I can’t wait to see … Continue reading
#Forensics: Touch DNA “matching” mistakes and misinterpretations discussed
Locard’s Principle comes into play in this interview with a noted DNA analyst and author. Things like “transference,” and “persistence” of these little molecules create obstacles and pitfalls for their unfettered use in courtrooms and police stations. It is not … Continue reading
Further proof that CSI is not real: DNA Database use in crime stats incredibly low
Here is an article talking about the UK judicial utilization of its multi-million pound national database. Homicide cases come in as the highest users of DNA info at 8%. Sexual assault cases are barely a blip. http://theconversation.com/dna-databases-its-still-far-from-clear-how-effective-they-are-in-fighting-crime-85137
“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
Fingerprints: Using metal deposition to reveal palm and fingerprints on fabric
Early look at recognition and retrieval of hands and fingers using vacuum metal deposition. https://www.west-technology.co.uk/forensic/2017/09/28/visualisation-grab-mark-impressions-fabric/
Not #Fake #News – Misleading forensics used in convictions – This time its in England
A brand new juried paper in @ScienceDirect on a 235 case metadata look at the evidentiary contents of “unsafe” convictions in Wales, and England. “Unsafe” is a Brit legal term that parallels “wrongful conviction” which is used in the US. … Continue reading
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1986 Junk Science article Prosecutors love to use – Predicting and “Curing” Recidivism
Much like using the 1978 revelation that bitemarks “convicted” serial killer Ted Bundy, this September 12th, 2017 article tracks the origins of another forensic myth still in effect in sexual offender punishment masquerading as “therapy’ in Wisconsin. When Junk Science … Continue reading
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