Category Archives: DNA mixtures

Forensics: A pathologist’s career of helping victims. “You Save as Long as You Have To”

Distressed by authorities’ poor treatment of rape victims and destruction of evidence, one doctor became a DNA archivist long before we had the technology to test it. For potentially hundreds of survivors, his faith in science is paying off. — … Continue reading

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Forensics: How Your DNA—or Someone Else’s—Can Send You to Jail

Although DNA is individual to you—a “fingerprint” of your genetic code—DNA samples don’t always tell a complete story. The DNA samples used in criminal prosecutions are generally of low quality, making them particularly complicated to analyze. They are not very … Continue reading

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Forensics: A lookback on the DC crime lab’s political turmoil. Firings and nepotism reigned supreme.

The history of an acclaimed “independent” crime lab getting the shaft in Washington DC. Now the lab is in hot water for “deliberately concealed” botched lab tests. csidds.com/2016/05/25/wash-dc-crime-lab-continues-to-coverup-its-problems-of-law-enforcement-bungles/ Now the lab is suspended from operation. https://dcist.com/story/21/04/07/dc-crime-lab-loses-accreditation-over-allegations-of-conealing-information/

Posted in AAFS, Crime lab scandal, criminal justice reform, CSI, DNA mixtures, Forensic Science, forensic science misconduct, police crime labs, US Crime labs | Leave a comment

Forensics: Powerful DNA software used in hundreds of criminal cases faces new scrutiny

Error rates anyone? Powerful DNA software used in hundreds of criminal cases faces new scrutiny — Read on thenextweb.com/tech/2021/03/12/dna-software-for-criminal-cases-new-scrutiny-syndication/

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Federal Court Agrees: Prosecutors Can’t Keep Forensic DNA Evidence Secret from Defendants

An ongoing criminal court defense argument about DA refusal to disclose the prosecution-popular TrueAllele DNA software “code” is gaining judicial traction. When the government tries to convict you of a crime, you have a right to challenge its evidence. This … Continue reading

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Forensics: World’s largest DNA sequencing of Viking skeletons reveals they weren’t all Scandinavian

Looks like Eric the Red may have been from New Jersey. — Read on phys.org/news/2020-09-world-largest-dna-sequencing-viking.amp

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Forensics: How not to exaggerate DNA Likelihood ratios for lawyers.

It all starts with lawyers and judges learning some science. Good luck with that. Someone says “knowledge is not understanding.” This piece desxribes the didference. By Raymond ValerioChief of the Forensic Science Unit, Bronx County (New York) District Attorney’s Office … Continue reading

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Forensics: read every word. DNA mixtures – Do you understand them? | Forensic Context

A simple introduction to DNA mixtures in forensic science, what are they, why they occur and the issues with assessing their evidential value. — Read on http://www.forensiccontext.com/dna-mixtures-do-you-understand-them/

Posted in AAFS, CSI, DNA mixtures, DNA profiling, forensic evidence exaggeration, Forensic Science, Forensic Science Bias, forensic testimony, human identification | Leave a comment

Forensics: Convicted by software? Not so fast, says California lawmaker

The statements from the go to cop DNA mixture guru at TrueAllele continues to be self serving and problematic. Ive heard similar claims of accuracy from palm readers on TV. Doesnt seem to bother him much. Democratic Rep. Mark Takano … Continue reading

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Forensics: Pro prosecution NYPD DNA Database Continues to Grow, Legal Aid Society Says

Despite the NYPD’s promise to reduce its DNA database, it has grown, the Legal Aid Society says. — Read on http://www.ny1.com/nyc/all-boroughs/news/2020/07/02/nypd-dna-database-continues-to-grow-legal-aid-society-says

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