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Charlie Kirk bullet analysis finds no conclusive link to rifle found near scene (www.theguardian.com)

submitted 1 day ago by HellsBelle@sh.itjust.works to c/news@lemmy.world

156 comments fedilink hide all child comments

An analysis from the federal Bureau of Alcohol, Tobacco, Firearms and Explosive (ATF) could not conclusively connect a bullet fragment recovered during Charlie Kirk’s autopsy to the rifle found near the scene of the rightwing political activist’s killing – and the FBI is running additional tests, lawyers for Kirk’s accused murderer said in recent court filings.

In the court filings, Tyler Robinson’s defense team also asked for a delay to a preliminary hearing scheduled in May, saying they need time to review the bullet analysis as well as an enormous amount of other material that could contribute to the suspect’s defense.

The ATF’s bullet analysis report has been kept private, but attorneys have cited snippets in other public filings that say the results were inconclusive.

The defense said in its motion that it may try to use the analysis to clear Robinson of blame during the preliminary hearing while prosecutors aim to show they have enough evidence against him to proceed with a trial.

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[–] dogslayeggs@lemmy.world 2 points 11 hours ago

Oh, come on. You're just being pedantic. Fingerprints are allowed as evidence in probably every court in the world, as long as they have been reviewed by an expert. Yes, technically it is the expert's testimony that is the evidence, but that is the case with most "evidence." Prosecutors don't just show the jurors a medical chart and tell them to interpret that evidence. They have a doctor give testimony on why that medical chart means X, Y, and Z.

(https://pmc.ncbi.nlm.nih.gov/articles/PMC4008377/)

8% false negative and 0.1% false positive... so 92% accurate in that study. Just slightly better than your "half the time."

https://www.nist.gov/news-events/news/2020/05/nist-study-measures-performance-accuracy-contactless-fingerprinting-tech

Computers can achieve 60% accuracy with contact-less scanning and 99.5% with contact scanning. A phone app can get 95% accuracy. Again, somewhat better than your "half the time."

https://nij.ojp.gov/topics/articles/history-and-legacy-latent-fingerprint-black-box-study

7.5% false negative and 0.1% false positive.

https://www.uclalawreview.org/reliable-application-of-fingerprint-evidence/

FBI study showed 99.7% accuracy, and Miami Police study showed 95% accuracy.

Partial prints are much less accurate than full prints, but to say that fingerprint analysis is so inaccurate that it isn't allowed in many courts is disingenuous. Expert testimony on fingerprint analysis is allowed in every court, which is what a normal person would mean when they say fingerprints are allowed as evidence.