Monthly Archives: November 2016

Comparing DNA mixtures with Trueallele and STRmix gets mixed results

Where Traditional DNA Testing Fails, Algorithms Take Over Powerful software is solving more crimes and raising new questions about due process. [excerpt] Studies have only established the validity of the available software in certain circumstances (such as a DNA mixture … Continue reading

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After scandals, Omaha campaign includes move to an independent crime lab

Publicity about police crime lab goofs or worse do have a negative effect on confidences in lab enforcement’s activities. Politics in Omaha includes its’ forensic lab. Related: Independent crime labs could help stop forensic fraud The coming fight over independent crime … Continue reading

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Crime lab driving while drunk expert gets the boot.

North Texas Forensic Scientist Removed from Cases http://www.wbap.com/2016/10/31/north-texas-forensic-scientist-removed-from-cases/ Related info. http://www.dallasnews.com/news/crime/2016/10/14/thousands-dwi-cases-potentially-risk-credibility-dps-lab-expert-questioned

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NY County Prosecutor accused of doing the dirty deed in 15 drug cases

This looks bad in the press and I bet the judge won’t be happy either. Withholding evidence in 15 cases? excerpt from Syracuse, Cayuga county, NY. AUBURN, N.Y. – Tyrone Matthews could’ve been sentenced to 23 more years in prison … Continue reading

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News release: STRmix allows defense attorneys access to their source code

The writer on this blog post , John Buckleton provides interesting and valuable details regarding additional information on peer review and judicial acceptance of this DNA software.  He is a co-developer of STRmix, a NZ government employee and has  stated … Continue reading

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Forensic “stickiness” in the News

NIST (US government science and tech forensic researcher and funder) announces a new look into the physical world of properties’ “stick” and “strain.” “the mechanical properties of four types of evidence: hair, documents, fingerprints and explosives.”

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Gun crime labs micro-critique of the PCAST report

The Association of Firearm and Toolmarkers [AFTE] focus on defending ballistic matching via alluding “black-box” studies (one of PCAST’s references) are not representative of the entire group. They also point to in-house reliability testing as a substitute. Overall, this public statement … Continue reading

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Jury looking at exaggerated forensic opinions – a strong bias results

A law prof tries a simple way to explain what PCAST is concerned about. He also includes the following: [Brandon Garrett at Va. Law’s Faculty Q&A] Few studies had been done examining how jurors appreciate some of the most commonly … Continue reading

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Canadian wrongful conviction file totals 85 – funding diminishing

Innocence Canada struggling for funding for wrongfully convicted cases ‘I’m always frustrated with how long it takes us to do cases, in any event, but this is going to slow us down even more.’ A Newfoundland man who helps free … Continue reading

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