Category Archives: Forensic Science Bias
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/
Forensics: Botched digital measurements led to 11 years in prison. New trial ordered.
DAs expert used a fancy software program to analyze a robbery vid. He botched it. The perp is short. This man is 6’3″. A jailhouse snitch lied during his trial. The DA was mute during all of it. https://www.dallasnews.com/news/courts/2019/09/12/texas-man-subject-of-netflix-doc-ordered-released-after-11-years-behind-bars/
Forensics Australia gets low marks from a senior judge
Unreliability of forensic experts gets serious attention from a high level jurist. Some of this started in California’s bitemark case of Bill Richards. @CA_Innocence. https://www.smh.com.au/national/top-judge-worried-forensic-evidence-putting-innocent-people-behind-bars-20190823-p52k3l.html
Forensics incorrect between 23% to 96% of court cases
A UK study group describes their study as demanding a “holistic overhaul” of these practices taken into criminal courts. It contains a good review of US exoneration efforts to effect forensics. Too bad the police controlled forensic managers seem deaf … Continue reading
Forensics: Physics makes important inroads to outdated blood spatter expertise.
This is a well referenced look at BPA. The perspective is clearly science-based and unfettered by practitioner assumptions and biases. Rather refreshing, to put it mildly, and it also uncovers how BPA experts don’t agree with each other on basic … Continue reading
Looking at a Revolution? Getting Forensics Out of Law Enforcement
Many reform ideas in this series of Q&A to forensic and legal experts by the WaPo’s Radley Balko. All are logical and very practical. Prosecutors must be gagging. Here is a quote: Chris Fabricant, the Innocence Project Easiest reform: Eliminate … Continue reading
More judge-like delusions about error rates in forensics not being necessary.
This time it is in Australia. It does mentions that bitemarks are now outlawed Down Under? Now how did THAT happen? I havent heard a peep abt it. https://www.smh.com.au/national/csi-not-so-scientific-doubt-cast-on-veracity-of-forensic-evidence-20190816-p52hq9.html
Blood spatter analysis (i.e. BPA) theories contradict physics and scientific research. Study reveals serious lack of university-level involvement in this police-adopted method.
Is anyone suprised? The spatterists still are throwing pig blood against walls and clothing. This study debunks their “velocity” of impact/force blood spatter paradigms. https://www.pbs.org/wgbh/nova/article/forensics-bloodstain-pattern-analysis/ Kudos to The Innocence Project’s Sarah Chu for her comments in this NOVA article. Read … Continue reading
Forensic bias dangers from police interactions
Notables discuss the interface between police and anyone examining crime scene evidence. Especially those folks working police crime labs. Recent cases of experts being influenced by police theories certainly highlights this as creating cognitive bias. It is very hard to … Continue reading
Junk science vs DNA leads to law suit for compensation
All this began with a “match” of one hair made during the heyday of this now discredited FBI crime fighting method. http://www.journalgazette.net/news/local/indiana/20190801/man-sues-claiming-wrongful-conviction
