Category Archives: DNA profiling
#Forensics: How DNA transfer is affected by “shedder” status.
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
Posted in AAFS, ABFO, CSI, DNA mixtures, DNA profiling
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#Forensics: Cop DUI machines busted.
…..and the police want to do their DNA rapid and inhouse. Yikes. https://www.nytimes.com/2019/11/03/business/drunk-driving-breathalyzer.html
#Forensics: 16 minutes on DNA profiling, the good and the bad. From Dan Krane in Ohio
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
#Forensics #DNA U.S. Takes Step to Require Asylum-Seekers’ DNA
Similar to building walls in Colorado? The Trump administration ignores US untested rape specimens and will collect DNA samples from asylum-seekers and add the information to a massive FBI database. Trump and the GOP continue to protray undoc immigrants as … Continue reading
Posted in AAFS, criminal justice reform, DNA profiling, forensic science misconduct, human rights violations, junk forensic science, police crime labs, US Crime labs, US homicide statistics analysis
Tagged Bad forensic science, Forensic science, Miscarriage of justice, prosecutorial misconduct
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Forensics: Decertified DNA mixture methods affected 1300 convictions in the US.
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
Forensics: Public familial DNA companies secretly aiding the FBI
Good thread on law enforcement’s expanding use of public corporations who have access to public DNA databases. Customers now worried. But its a business opportunity for one new company. We should add some convers on false positive or otherwise misleading … Continue reading
Forensics: let’s hear it for another biased and messed up Jack the Ripper case
This time its the Journal of Forensic Sciences that gets the gong for publishing a one-sided example of fumbled assumptions and disconnected exaggerations abt mitochondrial DNA. https://www.kxan.com/news/jack-the-ripper-identity-questioned-by-texas-state-research-professor/
A New Solution to Countering Bad Science in Forensics | Lab Manager
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: Have you left your DNA trail at a crime scene recently?
Terrible questions will come to mind when the police call you up for an “interview.” Read this in advance. https://www.sciencenews.org/article/long-handshake-spread-your-dna-objects-you-didnt-touch
Posted in DNA profiling, Forensic Science, Uncategorized
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Forensics: UK police love this “conclusive” bitemark opinion – DNA never gets mentioned
Five teeth out of 32 seems enough for everyone in this murder conviction in the UK. The dentist looks satisfied on the video. (the 3rd video in the article). Problems about expert error rates, etc., always go out the window … Continue reading
