The Double Loop Podcast

Glenn and Eric interview Sarah Chu, director of policy and reform with the Perlmutter Center for Legal Justice's (PCLJ) forensic science policy initiatives. Sarah...

Cases

Angela Hilliard Interview – Episode 273

DoubleLoop - July 17, 2024

In this compelling episode, Glenn and Eric are joined by forensic expert Angela Hilliard to delve into her involvement in a chilling cold case...

Articles

DNA and Human Factors Expert Working Group Report – Episode 272

DoubleLoop - July 1, 2024

In this super-sized episode, the guys interview several experts from a recent Expert Working Group on Human Factors in DNA analysis. The episode kicks...

Cases

SD v Peacemaker Case and Anjali Ranadive Interview – Episode 271

DoubleLoop - May 6, 2024

In this engaging episode, Eric and Glenn kick things off with a segment of "Where in the World?" which quickly turns into a catch-up...

Interviews

Steve Johnson Interview – Episode 268

DoubleLoop - March 22, 2024

Eric Ray and Glenn Langenburg sit down for a chat with Steve Johnson about face examiners, face comparisons, and the IAI. Steve's background includes...

Articles

Chloe George Interview – Episode 267

DoubleLoop - March 11, 2024

Eric and Glenn host another guest from Australia in today’s episode. After another round of Where in the Whorld and a few stories from...

Popular Episodes

The Staircase – Episodes 175 – 178

September 5, 2018

Richard Ramirez – Episode 187

December 3, 2018

Christophe Champod Interview – Episode 191

January 14, 2019

Michael Whyte Interview – Episode 200

July 11, 2019

Tucson Prime Time Rapist – Episode 182

October 24, 2018

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Research Interviews

AAAS Report & Interviews – Episodes 171 ~ 173

July 23, 2018

Caroline Gibb Interview – Episode 146

April 30, 2017

Christophe Champod Interview – Episode 191

January 14, 2019

White Box Results and Tom Busey Interview – Episode 1

December 26, 2013

Dave Charlton Interview – Episodes 21, 22

February 26, 2014

Case Studies

An analysis of notable cases from a forensic scientist perspective.

Must Listen

Madrid Error – Episodes 111, 112, 113

November 11, 2015

The Staircase – Episodes 175 – 178

September 5, 2018

BC Court Decision – Episode 10

January 21, 2014

David Camm Case – Episodes 218, 219

April 8, 2020

Melissa Neylon Case – Episode 118

January 11, 2016

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Court Testimony

OJ Simpson Case – Episodes 133 – 134

August 1, 2016

Alabama Erroneous ID – Episode 108

October 16, 2015

Making a Murderer Season 2

November 27, 2018

Angela Hilliard Interview – Episode 273

July 17, 2024

Goodwin-Bey Case – Episode 141

January 17, 2017

Episodes
LATEST

Articles

Simultaneous Impressions – Episode 279

DoubleLoop - March 20, 2025

In this episode, Glenn and Eric catch up after some hectic travel from recent weather issues. They do some news updates and also Eric...

Cases

Angela Hilliard Interview – Episode 273

DoubleLoop - July 17, 2024

In this compelling episode, Glenn and Eric are joined by forensic expert Angela Hilliard to delve into her involvement in a chilling cold case...

Cases

SD v Peacemaker Case and Anjali Ranadive Interview – Episode 271

DoubleLoop - May 6, 2024

In this engaging episode, Eric and Glenn kick things off with a segment of "Where in the World?" which quickly turns into a catch-up...

Cases

The TFSC Report and the Webster Case – Episodes 269 & 270

DoubleLoop - April 9, 2024

Part 1 - Episode 269 Today, Eric and Glenn start Part 1 of a two-parter on the 2023 Report of the Texas Forensic Science Commission...

Cases

Alan McNamara Case – Episodes 250, 251

Michael Whyte - January 22, 2023

Part 1 Glenn Langenburg and Eric Ray discuss the case of Alan McNamara from the UK. In this episode we cover the details of the...

Cases

Stephen Cowans Case – Episode 246

DoubleLoop - May 8, 2022

In this episode, Eric and Glenn FINALLY review the Stephan Cowans case, a case of an erroneous identification from Boston where a fingerprint identification...

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

Tucson Prime Time Rapist – Episode 182

October 24, 2018

How to Fix a Drug Scandal Documentary – Episodes 221, 222, 223

April 29, 2020

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Episodes on Errors

Angela Hilliard Interview – Episode 273

July 17, 2024

Alan McNamara Case – Episodes 250, 251

January 22, 2023

Alabama Erroneous ID – Episode 108

October 16, 2015

Melissa Neylon Case – Episode 118

January 11, 2016

Articles

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

Must Listen

Caitlin Rough Interview – Episode 263

January 13, 2024

White Box Article – Episodes 69, 70

February 21, 2015

Swofford Paradigm Shift Article – Episode 88

May 15, 2015

Review of Conflict Resolution Paper – Episode 208

November 30, 2019

More Bias – Episodes 106 & 107

September 1, 2015

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Episodes on Conclusions

Swofford Paradigm Shift Article – Episode 88

May 15, 2015

Differing Conclusions Article – Episode 232

January 8, 2021

Strength of Conclusion – Episode 120

January 26, 2016

Categorical vs. Probabilistic – Episode 165

May 18, 2018

Episodes
LATEST

Articles

Simultaneous Impressions – Episode 279

DoubleLoop - March 20, 2025

In this episode, Glenn and Eric catch up after some hectic travel from recent weather issues. They do some news updates and also Eric...

Articles

Aussie Paper on Examiner Disagreements – Episode 278

DoubleLoop - February 3, 2025

In this first recorded episode of 2025, Eric and Glenn start with Eric being pedantic in his “A Truth, A Lie, and a Mandela...

Articles

NIST Inconclusive Paper – Episode 274

Michael Whyte - September 1, 2024

Eric and Glenn are back after a brief summer hiatus and are gearing up for the 2024 IAI Conference in Reno. In this episode,...

Articles

DNA and Human Factors Expert Working Group Report – Episode 272

DoubleLoop - July 1, 2024

In this super-sized episode, the guys interview several experts from a recent Expert Working Group on Human Factors in DNA analysis. The episode kicks...

Articles

Chloe George Interview – Episode 267

DoubleLoop - March 11, 2024

Eric and Glenn host another guest from Australia in today’s episode. After another round of Where in the Whorld and a few stories from...

Articles

Andy Chapman Interview – Aussie Black Box Study – Episode 266

DoubleLoop - February 19, 2024

In this post-New Year’s Eve 2023-2024 episode, the guys start by discussing their New Year’s Eve and play another round of Where in the...

Popular Episodes

Review of Miami-Dade Error Rates – Episode 197

March 18, 2019

Palm Print Black Box Study – Episode 234

February 28, 2021

Testifying After an Error – Episode 237

April 26, 2021

Friction Ridge Process Map – Episode 209

December 8, 2019

FBI Persistency Paper – Episode 203

September 16, 2019

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Episodes on AFIS

Busey AFIS Article – Episode 83

April 15, 2015

Error Management – Episode 86

April 30, 2015

Fingerprints for Investigative Leads – Episode 193

January 29, 2019

Chloe George Interview – Episode 267

March 11, 2024

Melting Point Topics – Episode 194

February 13, 2019

Conferences

Episodes from Forensic Conferences around the world

Must Listen

Bill Schade and Heather Conner Interviews – Episode 02

January 1, 2014

2017 IAI Conference Recap – Episode 154

August 29, 2017

Fingerprint Society Conference Topic Summary – Episode 31

May 6, 2014

Bias Conference & DNA News – Episodes 91, 92

June 1, 2015

Tri-Division Panel Discussion – Episodes 63, 64, 65, 66

December 1, 2014

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Accreditation Episodes

Anja Einseln Interview – Episodes 158 – 159

November 13, 2017

New Years Grab Bag – Episode 243

January 31, 2022

Email Questions on Probabilities – Episode 68

December 24, 2014

Texas Accreditation – Episode 19

February 5, 2014

Strengthening the Forensic Sciences Report – Episode 37

May 26, 2014

Episodes
Latest

Conferences

2024 IAI Conference – Episode 275

DoubleLoop - November 1, 2024

In this episode, the guys start with a quick explanation of why Glenn’s sound is so bad (he’s in Switzerland recording). They introduce a...

Conferences

Fall Travel Catchup – Episode 261

DoubleLoop - December 19, 2023

Glenn Langenburg and Eric Ray spent the past few months traveling to conferences far and wide. In this episode, they catch up with each...

Conferences

The 2023 IAI Conference

DoubleLoop - September 28, 2023

Eric and Glenn share their adventures at the 2023 International Association for Identification conference held in August in National Harbor, MD in the Washington...

Conferences

Gap Science Interview – Episode 258

DoubleLoop - September 23, 2023

Eric Ray and Glenn Langenburg are at the 2023 IAI conference in National Harbor, MD, with Erin West and Ashley Church of Gap Science....

Conferences

2021 IAI Conference – Episode 239

DoubleLoop - September 30, 2021

Return with Glenn and Eric to the IAI Conference in Nashville, TN. The guys are joined by Josh Connelly, Kurt Aebersold, JP Rodriguez, and...

Conferences

PNW Conference Panel – Episode 205

DoubleLoop - October 17, 2019

Glenn Langenburg leads a panel discussion (with Eric Ray joining via phone) at the Pacific Northwest Division of the IAI / Northwest Association of...

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