Double Loop Podcast

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Over the weekend I decided to do something new with the Double Loop Podcast. Let me know what you think of it in video format at:
https://www.youtube.com/watch?v=QUav37ayzdY


youtu.be/QUav37ayzdY

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I've asked the CLPEX wizards if I can post links to the podcasts and videos as I finish them, and they've kindly agreed. I probably won't be as regular as the news articles in the Weekly Detail list that come out every Monday, but keep checking back for new stuff.

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Double Loop Podcast - Episode 162 - Vos PCAST Article

Eric Ray and Glenn Langenburg discuss last year's article, Using the PCAST Report to Exclude, Limit, or Minimize Experts by Eric Alexander Vos published in Criminal Justice. We note the extreme bias of the article to exploit the emotions of the judge and jury instead of logic, reason, or data, and we find the serious flaws in many aspects of the paper.

https://soundcloud.com/double-loop-podc ... st-article

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I went back to last year's Anja Einseln interview to include quotes and citations that we used from the relevant documents.

Double Loop Podcast - Episode 158 - Anja Einseln Interview - Part 1

Glenn Langenburg and Eric Ray first revisit a couple of additional aspects of our previous discussion on defense interviews in Illinois before diving into the deep end of accreditation. Anja Einseln joins the Double Loop Podcast as our guest expert on ASCLD/LAB, ANAB, and all things accreditation. In the first half we talk about some of the changes that will be coming with the recent merger of ASCLD/LAB and ANAB and what it means for latent print units in accredited labs.

https://www.youtube.com/watch?v=qMiY6DFdDAc&t=1s


youtu.be/qMiY6DFdDAc

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Double Loop Podcast - Episode 163 - Alicia Wilcox Interview - Part 1

Glenn Langenburg and Eric Ray join with Dr. Alicia Wilcox from Husson University in Bangor, Maine in a discussion of her research juries and their understanding of forensic testimony. Even though forensic scientists may try to present data in precise and sometimes mathematical way, jurors tend to interpret forensic testimony according to whether the evidence fits well into the story that they have constructed of the crime.

https://soundcloud.com/double-loop-podc ... iew-part-1

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Double Loop Podcast - Episode 164 - Alicia Wilcox Interview - Part 2

Eric Ray and Glenn Langenburg continue their discussion with Alicia Wilcox on her research into how juries hear forensic testimony. This time we focus even more on questions of opposing experts, error rates, and what's the most important thing for an expert to have. A degree? Years of experience? An accredited lab?

https://soundcloud.com/double-loop-podc ... iew-part-2

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Double Loop Podcast - Episode 165 - Categorical vs. Probabilistic

Glenn Langenburg and Eric Ray tackle two articles in one fantastic episode. First, "Lay Understanding of 'Identification': How Jurors Interpret Forensic Identification Testimony" by Henry Swofford and Jessica Cino from the Journal of Forensic Identification. Secondly, the guys tackle a paper from the Journal of Forensic Sciences, "Comparing Categorical and Probabilistic Fingerprint Evidence" by Brandon Garrett, et al. The big question is: should we say "identification" or should we express the same conclusion in a probabilistic manner?

https://soundcloud.com/double-loop-podc ... babilistic

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Double Loop Podcast - Episode 166 - Matt Marvin Interview

Eric Ray and Glenn Langenburg are joined by Matt Marvin of Ron Smith and Associates to discuss in greater detail the details of the Beniah Dandridge case. Matt discusses how he and RSA got involved in the case, the history of the Manning murder, the original investigation, the Dandridge trial, his appeals, RSA's involvement, and Dandridge's eventual release. Check back to RayForensics.com soon for a YouTube video detailing the comparisons in this case.

http://soundcloud.com/double-loop-podca ... -interview

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Double Loop Podcast - Episode 168 - 2017 Florida Conference

I should have gotten this posted last year, but well, better late than never.

Eric Ray hosts a live Double Loop Podcast discussion at the 2017 Florida Division IAI Conference in Panama City Beach, FL, and Glenn Langenburg joins via phone for the discussion. The audience hit Eric and Glenn with a variety of questions and the conversation swings from AFIS automation to using AFIS as a support for an identification decision. From the requirements that Florida courts put on latent print examiners to how to keep improving yourself so that you can make that jump into a career in forensics.

http://soundcloud.com/double-loop-podca ... conference

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Finally finished up making a video for the other half of the interview with Anja Einseln. Even more on-screen references to ANAB and ISO documents.

Double Loop Podcast - Episode 159 - Anja Einseln Interview - Part 2

Glenn Langenburg and Eric Ray continue their interview with Anja Einseln regarding the merger of ASCLD-LAB and ANAB. Validation of methods and reasons for labs to choose accreditation are some of the many topics covered this time around.

https://www.youtube.com/watch?v=0QufgotlPNU


youtu.be/0QufgotlPNU

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The Double Loop Podcast has stuck out into the Twitterverse with its own account. Interact with Glenn and Eric @DoubleLoopPod

Follow us, tweet us your show ideas, and recommend other Twitter accounts for us to follow.

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Eric and Glenn continued the interview of Matt Marvin (from Ron Smith & Associates) by going in-depth and technical on the erroneous identifications of Beniah Alton Dandridge and the correct identifications to Riley Manning, Jr. (who discovered his father's body) in the murder of Riley Manning, Sr.

Check it out at YouTube here. http://rayforensics.com/extra-episode-0 ... mparisons/

youtu.be/fupeIcwN6Q4

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Double Loop Podcast - Episode 169 - Simon Cole Interview

Eric Ray sits down for an interview with Simon Cole from the University of California Irvine. Simon explains how he first became interested in forensics and in latent print comparisons in general, and then outlines the history of his criticisms of the field. Glenn Langenburg later joins Eric for a review of the interview and some of Glenn's perspectives on how Simon's criticisms and the latent print response have both evolved over time.

https://soundcloud.com/double-loop-podc ... -interview

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Double Loop Podcast - Episode 170 - Della Wilkinson Interview

Glenn Langenburg and Eric Ray are joined by Della Wilkinson from Canada to discuss the final resolution of the Bornyk case from British Columbia. Originally, Judge Funt (see Double Loop Podcast episode 10) ruled that the fingerprint evidence would not be admitted after conducting his own study of latent prints and his own comparison. The Crown appealed and a new trial began with the original examiner, the verifier, Della, and Simon Cole. This episode the Double Loop Podcast also pays tribute to Tony Cantu. He will be missed.

http://rayforensics.com/episode-170-del ... interview/

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Double Loop Podcast - Episode 171 - AAAS Report and John Black Interview

Glenn Langenburg and Eric Ray finally get around to discussing the report on latent fingerprint comparisons from the American Association for the Advancement of Science. John Black (from Black and White Forensics) was on the committee that wrote the report and joins the discussion on some of the merits and limitations of the paper. While many of the research recommendations are the next steps that the latent print field needs, they are also the same recommendations made by other reports. One of the report's main failures is the suggested wording for the identification decision.

http://rayforensics.com/episode-171-aaa ... interview/


Double Loop Podcast - Episode 172 - AAAS Report and Carey Hall Interview

Glenn Langenburg and Eric Ray continue the discussion on the pros and cons of the AAAS report. Carey participated with the review of the report and discusses the positive recommendations and the limitations that come from the report not being published in a traditional peer-reviewed journal. After that discussion wrapped up, Carey, Eric, and Glenn get a little off-topic and talk about attending AFIS Users' Conferences. Carey and Glenn presented at the most recent Idemia conference on the benefits of the Case AFIS system. Eric talks about a local AFIS conference and user discussions on how data analysis can lead to improved search practices.

http://rayforensics.com/episode-172-aaa ... interview/