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Saturday, March 6, 2021

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Interviews
- Interviews
  
  Bob Garrett – Episode 229
  
  DoubleLoop - October 16, 2020 0
  
  Glenn Langenburg and Eric Ray pay special tribute this week to a giant in the fingerprint world, Bob Garrett. With the passing of Bob...
  
  Interviews
  
  Forensics in the New Normal – Episode 224
  
  DoubleLoop - June 18, 2020 0
  
  Glenn Langenburg and Eric Ray take a break from normal interviews and research reviews to host a laid-back happy hour discussion on how things...
  
  Interviews
  
  Simon Bunter Interview – Episode 214
  
  DoubleLoop - February 27, 2020 0
  
  Glenn Langenburg is joined by Simon Bunter from Keith Borer Consultants to discuss a number of cases where activity level propositions were key factors....
  
  Interviews
  
  Anouk de Ronde Interview – Episode 213
  
  DoubleLoop - February 6, 2020 0
  
  Eric Ray and Glenn Langenburg are joined by Anouk de Ronde from the Amsterdam University of Applied Sciences to continue the discussion on activity...
  
  Interviews
  
  Brendan Max Interview – Episode 210
  
  DoubleLoop - December 16, 2019 0
  
  In this episode, Glenn and Eric interview Brendan Max, Chief of the Cook County Public Defender Forensic Science Unit in Illinois. They discuss his...
Articles
- Articles
  
  Palm Print Black Box Study – Episode 234
  
  DoubleLoop - February 28, 2021 0
  
  In this episode, Eric and Glenn are joined by Dr. Heidi Eldridge and Prof, Christophe Champod, the authors of "Testing the accuracy and reliability...
  
  Articles
  
  Gyro Accuracy Paper – Episode 233
  
  DoubleLoop - February 22, 2021 0
  
  Glenn Langenburg and Eric Ray finally get back on track with a review of a recent article on GYRO markings. "Evaluating the Accuracy and...
  
  Articles
  
  Differing Conclusions Article – Episode 232
  
  DoubleLoop - January 8, 2021 0
  
  Glenn Langenburg and Eric Ray review the newest article from Austin Hicklin, Bradford Ulery, Madeline Ausdemore, and JoAnn Buscaglia titled "Why do latent fingerprint...
  
  Articles
  
  Review of article on Conclusion Scales – Episode 231
  
  DoubleLoop - November 27, 2020 0
  
  After some Halloween talk, Eric and Glenn discuss this episode’s research article: “The Utility of Expanded Conclusion Scales During Latent Print Examinations” by Carter,...
  
  Articles
  
  Fingerprint Error Rate in Close Non-Matches – Episode 230
  
  DoubleLoop - October 28, 2020 0
  
  In this Halloween episode, Eric and Glenn discuss a new paper published by Koehler and Liu titled “Fingerprint error rate on close non-matches” (Journal...
Cases
- Cases
  
  Knuckle-Crease Daubert Hearing – Episode 228
  
  DoubleLoop - September 16, 2020 0
  
  In this episode, Glenn and Eric discuss a recent case Glenn was involved in: a knuckle-crease case. The case had a Daubert hearing in...
  
  Articles
  
  New York Firearms Case – Episode 227
  
  DoubleLoop - September 2, 2020 0
  
  Glenn Langenburg and Eric Ray review a recent court decision on firearms testimony. NY v Ross was a recent Frye case where the testimony...
  
  Cases
  
  The Most Dangerous Animal of All Documentary – Episode 225
  
  DoubleLoop - July 3, 2020 0
  
  This week, the guys review and share their reactions to the documentary “The Most Dangerous Animal of All” (produced by Campfire Productions and available...
  
  Cases
  
  How to Fix a Drug Scandal Documentary – Episodes 221, 222, 223
  
  DoubleLoop - April 29, 2020 0
  
  Part 1: Episode 221 In the first of two episodes, Glenn and Eric discuss Netflix’s “How to Fix a Drug Scandal” (2020), covering the actions...
  
  Cases
  
  David Camm Case – Episodes 218, 219
  
  DoubleLoop - April 8, 2020 0
  
  Part 1 This episode is Part 1 on the Indiana v. David Camm case. Eric and Glenn review the evidence over multiple episodes. In this...
Conferences
- Conferences
  
  PNW Conference Panel – Episode 205
  
  DoubleLoop - October 17, 2019 0
  
  Glenn Langenburg leads a panel discussion (with Eric Ray joining via phone) at the Pacific Northwest Division of the IAI / Northwest Association of...
  
  Conferences
  
  2019 IAI Conference – Episode 204
  
  DoubleLoop - September 24, 2019 0
  
  Join Glenn Langenburg and Eric Ray in Reno, NV for the 2019 International Association for Identification conference. We are joined by Becca Coutant, Carey...
  
  Conferences
  
  IAI Recertification Test – Episode 180
  
  DoubleLoop - October 10, 2018 1
  
  Glenn Langenburg and Eric Ray report on a heated and controversial topic that caught the attention of the latent print world in the summer...
  
  Conferences
  
  2018 IAI Conference – Episode 174
  
  DoubleLoop - August 14, 2018 0
  
  Glenn Langenburg and Eric Ray return to the annual IAI conference in San Antonio to talk to attendees about the interesting lectures and workshops...
  
  Conferences
  
  2017 Florida Conference – Episode 168
  
  DoubleLoop - June 7, 2018 0
  
  Eric Ray hosts a live Double Loop Podcast discussion at the 2017 Florida Division IAI Conference in Panama City Beach, FL, and Glenn Langenburg...
Research
- Discussions
  
  Forensic Movie Recommendations during COVID-19 – Episode 217
  
  DoubleLoop - April 1, 2020 0
  
  In the wake of COVID-19 and so many of us staying at home, we decided as an April Fools’ Episode to make a list...
  
  Interviews
  
  Christophe Champod Interview – Episode 191
  
  DoubleLoop - January 14, 2019 0
  
  Eric Ray and Glenn Langenburg are joined for another episode discussing statistics and probabilities by Professor Christophe Champod from the University of Lausanne. Christophe...
  
  Interviews
  
  Alicia Wilcox Interview – Episodes 163 + 164
  
  DoubleLoop - April 27, 2018 0
  
  Part 1 - Episode 163 Glenn Langenburg and Eric Ray join with Dr. Alicia Wilcox from Husson University in Bangor, Maine in a discussion of...
  
  Research
  
  2017 ICFIS – Episode 155 + 156
  
  DoubleLoop - September 14, 2017 0
  
  Part 1 Glenn discusses the recent 2017 International Conference on Forensic Inference and Statistics that was held in Minnesota. Specifically, Glenn helped lead a project...
  
  Research
  
  FBI’s New Approach – Episode 148
  
  DoubleLoop - May 16, 2017 0
  
  Glenn Langenburg and Eric Ray share exciting and groundbreaking news! The FBI latent print unit has officially moved beyond Approach 1. Their examiners may...
Videos
- Videos
  
  How to Dust for Fingerprints
  
  DoubleLoop - January 9, 2019 0
  
  The Smithsonian Channel series: Catching Killers have created an informative video to show how crime scene investigators working on the Night Stalker case try all types of fine, dry...
  
  Videos
  
  How Do Fingerprints Form?
  
  DoubleLoop - January 9, 2019 0
  
  How do fingerprints form? Even though many people think it’s random, a lot of it has to do with your genes! Great video, especially for...
  
  Videos
  
  How to Compare Fingerprints
  
  DoubleLoop - November 19, 2018 0
  
  The following video from RayForensics.com provides a basic look into how fingerprint comparisons are performed and the level of detail in agreement that needs to...
  
  Videos
  
  Finding Patterns in Fingerprints
  
  DoubleLoop - October 29, 2018 0
  
  The first time fingerprints were ever used as evidence in a murder investigation, the detectives used the same system of classification that we use...
  
  Videos
  
  Fingerprints & Sweat Glands
  
  DoubleLoop - October 29, 2018 0
  
  Amazing time lapse footage of the secretion of sweat from the eccrine glands in the hand and how, when in contact with a surface,...
Store

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The Double Loop Podcast is a weekly show featuring Glenn Langenburg and Eric Ray discussing latent print topics, current events in forensic science, the newest research articles, interesting guests, and analysis of notable cases from a forensic scientist perspective.