Category Archives: DNA mixtures
Any assumption that a DNA mixture can prove who was and wasn’t the perp gets clobbered in this study. Some people shed (i.e. leave) DNA more than others. https://www.sciencedirect.com/science/article/abs/pii/S1872497319301164
The opponents (i.e. prosecutors) to Dan’s methodology say that standards for minimum sample size and commercial profiling companies testing for inconsistencies and unreliabilities are not necessary. Of course they do. https://www.youtube.com/watch?v=tpPkmDeS3Dg
An in-house DNA mixture program that has been abandoned by the NYCME’s office gets a jaundiced review by an ex-DA judge. Unfortunately, the legal and political barriers to its effect on past convictions is left up to lawyers to consider. … Continue reading
Aussie study follows up on the unacceptable “ad hoc” nature of 30 different crime lab methods. They also demand for forensic science to become more open. Even DNA has befuddled courts into accepting “proprietary secrets” regarding crime lab software. — … Continue reading
Forensics: More of the usual police rush to do their own DNA testing without Validating the “Black Box.”
Another short piece of “WTF” about law enforcement over-zealous main line adoption of their in-house “novel” methods. Precautions cast aside are: “Yet as recent coverage of the police rollout of these devices makes clear, the advent of Rapid DNA introduces … Continue reading
Forensics: Another grassroots attempt to establish a Forensic Science Commission in Wisconsin. This paper written by PhD candidates.
http://www.sciencepolicyjournal.org/uploads/5/4/3/4/5434385/bratburd.pdf The LEO crime labs won’t like this intrusion on their domains. A 2005-2008 study suggesting similar went nowhere in the WI legislature.
Grits for Breakfast: Most crime labs accused innocent person in DNA mixture study — Read on gritsforbreakfast.blogspot.com/2018/09/most-crime-labs-accused-innocent-person.html The dark side of the NIST DNA mis-identification report covered in my last blog. Subterfuge and disclaimers to quash use in court by … Continue reading
Framed By Your Own Cells: How DNA Evidence Imprisons The Innocent Marina Medvin Tiny amounts of touch-transferred DNA have placed people at locations they had never visited and implicated people for crimes they did not commit. | Getty Images … Continue reading
Grits for Breakfast: Changes to DNA-mixture software raise questions about old versions — Read on gritsforbreakfast.blogspot.com/2018/08/changes-to-dna-mixture-software-raise.html
This case is horrendous. Fabricated arson evidence used against a woman later acquitted of arson gets into court after appellate court opines this rule for the lower court to follow in her lawsuit against LEO authorities. “There must be persuasive … Continue reading