Category Archives: US Crime labs

Forensics: Washington State Patrol’s toxicology lab ran tests in office contaminated by meth, possibly jeopardizing thousand of cases

SEATTLE – Behind the locked doors of a third-floor office in South Seattle, countertop instruments filled with dozens of tiny vials feed data to nearby monitors while performing scores of tests each day in pursuit of justice. — Read on … Continue reading

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Forensics: DC crime lab might not fully regain accreditation until early 2022

It could be early 2022 before the embattled D.C. crime lab regains its full accreditation to perform forensic testing, the lab’s interim director told a panel of science advisers last week. — Read on wtop.com/dc/2021/07/dc-crime-lab-might-not-fully-regain-accreditation-until-early-2022/

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Forensics: Who is running this forensics lab? More departures from troubled DC crime lab | WTOP

More managers appear to have departed from the embattled D.C. crime lab, which saw its accreditation to perform forensic testing withdrawn in the spring. — Read on wtop.com/dc/2021/06/more-departures-from-troubled-dc-crime-lab/

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Forensics: Bayesian theory has limitations in forensic disciplines. NIST’s Hyer and Lund

phys.org/news/2017-10-nist-urges-caution-courtroom-evidence.html

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Forensics: Opinion | Ignoring deep-seated problems at D.C.’s crime lab will cost lives and taxpayers – The Washington Post

DC Politicos are whitewashing these issues. The Department of Forensic Sciences needs oversight and new leadership committed to scientific integrity. — Read on http://www.washingtonpost.com/opinions/2021/06/11/dc-crime-lab-disaster-council-bowser/

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Forensics: “Not enough data.” NIST Publishes Review of DNA Mixture Interpretation Methods | NIST

Of course, US courts mostly allow the probabilistic interpretation of DNA mixtures such as STRmix. Typical when commercially developed methods go straight into crime labs then into the justice system which are generally unprepared to eval their foundation versus user … Continue reading

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Forensics: Accuracy and Reproducibility of Conclusions by Forensic Bloodstain Pattern Analysts – ScienceDirect

Error rates and disagreement between examiners. Accuracy and Reproducibility of Conclusions by Forensic Bloodstain Pattern Analysts – ScienceDirect — Read on http://www.sciencedirect.com/science/article/pii/S0379073821001766

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Forensics: Error at NYPD lab that went unchecked for 5 years warrants probe

Police say “no harm no foul.” Defense say false drug testing needs an audit. Terri Rosenblatt, the supervising attorney of the New York Legal Aid Society’s DNA unit, said in a statement that they looking closely at the error. — … Continue reading

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Forensics: Director of D.C.’s troubled crime lab resigns after scathing audit report

Good grief. Their ballistics unit got the previous director fired. Back then the lab was praised for being independent from law enforcement. Then law enforcement took it back. The agency botched a ballistics exam in a murder case, then “misrepresented” … Continue reading

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Forensics: Ex-police chief indicted on 88 counts in evidence theft case

A former North Carolina police chief who resigned last month amid an investigation into missing evidence has been indicted on 88 felony counts, authorities announced Friday. — Read on http://www.wral.com/ex-police-chief-indicted-on-88-counts-in-evidence-theft-case/19666733/

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