The Double Loop Podcast

Glenn Langenburg and Eric Ray are joined by Todd Weller to discuss the firearms/toolmarks discipline. Todd was involved in the NY firearms case from...

Interviews

Bob Garrett – Episode 229

DoubleLoop - October 16, 2020

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

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

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

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

In this episode, Glenn and Eric interview Brendan Max, Chief of the Cook County Public Defender Forensic Science Unit in Illinois. They discuss his...

Popular Episodes

The Staircase – Episodes 175 – 178

September 5, 2018

Richard Ramirez – Episode 187

December 3, 2018

Michael Whyte Interview – Episode 200

July 11, 2019

Simon Bunter Interview – Episode 214

February 27, 2020

Brendan Max Interview – Episode 210

December 16, 2019

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Research Interviews

Gianni Ribeiro Interview – Episode 190

December 31, 2018

David Johnson Interview – Episode 28

March 20, 2014

Dave Charlton Interview – Episodes 21, 22

February 26, 2014

AAAS Report & Interviews – Episodes 171 ~ 173

July 23, 2018

White Box Results and Tom Busey Interview – Episode 1

December 26, 2013

Case Studies

An analysis of notable cases from a forensic scientist perspective.

Must Listen

Dassey Appeal – Episode 138

November 22, 2016

The Most Dangerous Animal of All Documentary – Episode 225

July 3, 2020

Knuckle-Crease Daubert Hearing – Episode 228

September 16, 2020

OJ Simpson Case – Episodes 133 – 134

August 1, 2016

David Camm Case – Episodes 218, 219

April 8, 2020

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Court Testimony

Goodwin-Bey Case – Episode 141

January 17, 2017

Making a Murderer Season 2

November 27, 2018

CA Appellate Decision – Episode 98

July 15, 2015

BC Court Decision – Episode 10

January 21, 2014

David Camm Case – Episodes 218, 219

April 8, 2020

Episodes
LATEST

Cases

Knuckle-Crease Daubert Hearing – Episode 228

DoubleLoop - September 16, 2020

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

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

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

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

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...

Cases

Archie Williams Case – Episode 198

DoubleLoop - April 1, 2019

Eric Ray and Glenn Langenburg start the show talking about some exciting new classes that they have developed. Then they discuss which is more...

Popular Episodes

The Staircase – Episodes 175 – 178

September 5, 2018

Richard Ramirez – Episode 187

December 3, 2018

Making a Murderer Season 2

November 27, 2018

Archie Williams Case – Episode 198

April 1, 2019

Making a Murderer Season 1 – Episodes 121, 122, 124, 125, 129

February 1, 2016

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Episodes on Errors

David Camm Case – Episodes 218, 219

April 8, 2020

Matt Marvin Interview – Episode 167

May 29, 2018

Hodge Podge 1 – Episode 09

January 22, 2014

Tucson Prime Time Rapist – Episode 182

October 24, 2018

Articles

An deep dive into research articles pertaining to latent print, crime scene, and expert testimony

Must Listen

Strengthening the Forensic Sciences Report – Episode 37

May 26, 2014

White Box II – Episodes 57, 58

November 20, 2014

Processing Efficiency – Episode 99

July 25, 2015

Review of article on Conclusion Scales – Episode 231

November 27, 2020

Mnookin Article Estimating Error Rates – Episodes 38, 39

June 20, 2014

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Episodes on Conclusions

Strength of Conclusion – Episode 120

January 26, 2016

Differing Conclusions Article – Episode 232

January 8, 2021

Categorical vs. Probabilistic – Episode 165

May 18, 2018

Swofford Paradigm Shift Article – Episode 88

May 15, 2015

Episodes
LATEST

Articles

Dror & Scurich Article – Episode 238

DoubleLoop - July 7, 2021

Glenn Langenburg and Eric Ray review the 2020 article from Itiel Dror and Nicholas Scurich. "(Mis)use of scientific measurements in forensic science" was published...

Articles

Testifying After an Error – Episode 237

DoubleLoop - April 26, 2021

Glenn Langenburg and Eric Ray discuss how to testify in court after an error occurs. Examiners nervous about upcoming testimony can find tips whether...

Articles

Mindset Paper – Episode 236

DoubleLoop - March 28, 2021

In this episode, the guys return for Round 2 with Dr. Heidi Eldridge and Prof. Christophe Champod. This time, they discuss the second paper...

Articles

Palm Print Black Box Study – Episode 234

DoubleLoop - February 28, 2021

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

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

Glenn Langenburg and Eric Ray review the newest article from Austin Hicklin, Bradford Ulery, Madeline Ausdemore, and JoAnn Buscaglia titled "Why do latent fingerprint...

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Case Studies

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Court Testimony

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