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Articles

Review of a Bias Research Paper – Episode 290

DoubleLoop -
In this episode, the guys start off with some Michigan Regional Quirkisms.  They then review a 2024 paper titled "The effects of cognitive bias,...
Conferences

IAI 2025 Review – Episode 286

DoubleLoop -
Eric Ray and Glenn Langenburg talk about their week in Orlando at the 2025 IAI Educational Conference. Hear about Quality Metrics, limited examinations, and...
Conferences

2024 IAI Conference – Episode 275

DoubleLoop -
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...
Articles

Dr. Bethany Growns Interview – Episode 265

DoubleLoop -
Glenn and Eric start by talking about their Christmas plans, followed by a game of “Where in the Whorld”. They then welcome their guest,...
Articles

Bigger Blacker Boxes – Episode 253

Glenn Langenburg -
Eric Ray and Glenn Langenburg tackle three new Black Box / Accuracy studies from Austin Hicklin, et al and Noblis. Results from research into...
Articles

Dror & Scurich Article – Episode 238

DoubleLoop -
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...
Discussions

Best Latent Print Books – Episode 226

DoubleLoop -
Glenn Langenburg and Eric Ray were recently asked which latent print books they recommend the most. This episode they talk through the absolute creme...
Articles

Blind QC Research at HFSC – Episode 220

DoubleLoop -
In this episode, Eric and Glenn start the show discussing a few kind emails and reviews of this podcast. They also talk about a...
Discussions

Forensic Movie Recommendations during COVID-19 – Episode 217

DoubleLoop -
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...
Articles

FBI Persistency Paper – Episode 203

DoubleLoop -
Eric Ray and Glenn Langenburg review a new paper that's been long in the making. "The permanence of friction ridge skin and persistence of...
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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.

The Double Loop Podcast © 2026

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