Rephonic
Artwork for Double Loop Podcast
Forensic Science
Fingerprint Analysis
Texas Forensic Science Commission
Fingerprint Examination
Latent Print Identification
IAFS Conference
Research Methodology
Ridge Flow Analysis
Phalange Patterns
Forensic Standards
Josephine Herbert
Fingerprints
Henry Swafford
CODIS
DNA Evidence
Jeremiah Peacemaker Case
Kendra Owen
Forensics
Accreditation In Forensics
NIST

Whether you're a practicing Latent Print Examiner or you're interested in forensics and true crime, 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.

PublishesMonthlyEpisodes153Founded12 years ago
Number of ListenersCategories
GovernmentScienceNatural Sciences

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Artwork for Double Loop Podcast

Latest Episodes

Eric Ray and Glenn Langenburg talk about their week in Orlando at the 2025 IAI Educational Conference. Hear about Quality Metrics, limited examinations, and linking cases together, and hear from some of the conference attendees.

In this episode Eric poses to Glenn a Mandela effect question concerning household cleaning products. After that, the guys celebrate the 4th of July holiday by welcoming their guests from Ireland. Four fingerprint examiners from Forensic Science Irel... more

In this episode, the guys start with a product-based Mandela effect question. Then they welcome back long-time friend of the show and webmaster, Michael Whyte from the New South Wales police force in Australia. Michael has a question for Glenn and Er... more

In this episode, Eric stumps Glenn with a geography based Mandela Effect question. Then the guys welcome their guest commentator, Brendan Max, Public Defender and Chief of the Forensic Science Division in Chicago, Illinois. Eric, Glenn, and Brendan t... more

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Recent Guests

Aoife Power
Fingerprint examiner at Forensic Science Ireland
Forensic Science Ireland
Episode: Episode 286 - Forensic Science Ireland Interview
Kim Connick
Fingerprint examiner at Forensic Science Ireland
Forensic Science Ireland
Episode: Episode 286 - Forensic Science Ireland Interview
Craig Mullen
Fingerprint examiner at Forensic Science Ireland
Forensic Science Ireland
Episode: Episode 286 - Forensic Science Ireland Interview
Columb Doherty
Fingerprint examiner at Forensic Science Ireland
Forensic Science Ireland
Episode: Episode 286 - Forensic Science Ireland Interview
Michael Whyte
Fingerprint expert working with the New South Wales Police Force Fingerprint Operations Unit
New South Wales Police Force
Episode: Episode 285 - Michael Whyte Interview - Latent to Latent Comparisons
Brendan Max
Chief Public Defender for Forensic Science in Chicago, Illinois.
Forensic Science Division
Episode: Episode 284 - Black Box '22 - Part 2 (with Brendan Max)
Ruby O'Connor
Author and researcher involved in fingerprint examination studies
Episode: Episode 278 - Aussie Paper on Examiner Disagreements
Andrew Chapman
Author and researcher involved in fingerprint examination studies
Episode: Episode 278 - Aussie Paper on Examiner Disagreements
Dr. Sarah Chu
Director of Policy and Reform at the Perlmutter Center for Legal Justice
Yeshiva University
Episode: Episode 277 - Sarah Chu Interview

Hosts

Glenn Langenburg
Co-host with a strong background in forensic science, leading discussions on various forensic topics including fingerprint analysis and the implications of contemporary issues in the field.
Eric Ray
Co-host known for engaging discussions on forensic science, particularly relating to fingerprint examination and current trends in the field.

Reviews

4.7 out of 5 stars from 127 ratings
  • Best Podcast Ever!

    I listened to these two cats on the recommendation of a couple of friends (thanks Trudy Cruise & Matt Covay). They are witty and their forensic takes are spot on.

    Keep up the good work fellas!!!

    Apple Podcasts
    5
    Liams Big Papa
    United States10 months ago
  • Very helpful!

    Amazingly helpful content! I am constantly sharing episodes with my coworkers in the field of forensics. There are useful lessons in the episodes even if you aren’t specifically in the latent print discipline. The hosts are also great trainers.

    Apple Podcasts
    5
    mazyberry
    United States2 years ago
  • The best!

    Easy to listen to because of Eric and Glenn’s hilarious banter. Love listening at work, in the car and at home. Listening to this podcast convinced me to start attending the IAI, and I am hooked.

    Keep up the great work!

    I appreciate you guys!

    Apple Podcasts
    5
    Jenn 🇨🇦
    Canada2 years ago
  • Chair rail vs chair lift

    Enjoyed episode 177 with Bart Epstein. Was a little confused at the end of podcast when talking about the “chair rail” Did they mean chair lift? Two different things.

    Apple Podcasts
    4
    wjs1955
    United States2 years ago
  • Great podcast!

    I’ve been a avid listening of the DLP for a few years and I have now taken educational courses with both of the hosts which gives me a better understanding of their personalities! Lol! They are both awesome with great perspectives! Grateful that they continue to tackle relevant topics within the discipline and even some popular pop culture topics (like shows, documentaries, etc). I love it when they break down research that comes out in a way that make it easier to understand and articulate. Tha... more

    Apple Podcasts
    5
    Star5521
    United States4 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Listeners appreciate the mix of humor and technical insights, making it engaging for both professionals and casual listeners.
Hosts are entertaining and make complex topics in forensic science easy to understand.
Content is praised for being relevant and informative, especially for those working in forensics.
The podcast is recognized for providing essential information that helps professionals stay updated in their field.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

Episode 277 - Sarah Chu Interview
Q: Can you talk a little bit about your background and how you got involved in the Human Factors Report group and in the Innocence Project?
I was hired at the Innocence Project in the fall of 2008 to do their forensic science policy work in response to the NAS report.
Episode 277 - Sarah Chu Interview
Q: What are your views on the science of fingerprints?
I've been so impressed by how the fingerprint community has worked together to inform and solidify the foundations of latent print examination.
Episode 260 - Tales from the Courtroom
Q: Do you recognize this document?
No, I don't.
Episode 262 - Teneil Hannah Interview
Q: What are the differences in focus between researchers and practitioners in fingerprint analysis?
Researchers often focus on image quality parameters like contrast and background development, whereas practitioners prioritize ridge detail and whether a mark is suitable for comparison.
Episode 262 - Teneil Hannah Interview
Q: What inspired you to switch from medical science to forensic science?
Teneil realized that she did not enjoy medical science and discovered her passion for forensic science through a course that she took, which ultimately led her to change her degree.

Audience Metrics

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Frequently Asked Questions About Double Loop Podcast

What is Double Loop Podcast about and what kind of topics does it cover?

Focus extensively on topics related to forensic science, especially latent print analysis, the show features lively discussions between hosts Eric Ray and Glenn Langenburg. Episodes cover a range of subjects such as recent advancements in forensic techniques, insights from various forensic professionals, and interpretations of significant legal cases involving forensic evidence. Unique to the show is the blend of entertainment and education, bringing in humor and anecdotes while tackling complex scientific issues, making it suitable for both professionals in the field and enthusiasts alike.

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How many listeners does Double Loop Podcast get?

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Which podcasts are similar to Double Loop Podcast?

These podcasts share a similar audience with Double Loop Podcast:

1. Dead Certain: The Martha Moxley Murder
2. Dateline NBC
3. The Hand in the Window
4. World of Secrets
5. Morning Wire

How many episodes of Double Loop Podcast are there?

Double Loop Podcast launched 12 years ago and published 153 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact Double Loop Podcast?

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Where can I see ratings and reviews for Double Loop Podcast?

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What guests have appeared on Double Loop Podcast?

Recent guests on Double Loop Podcast include:

1. Aoife Power
2. Kim Connick
3. Craig Mullen
4. Columb Doherty
5. Michael Whyte
6. Brendan Max
7. Ruby O'Connor
8. Andrew Chapman

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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