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

PublishesMonthlyEpisodes145Founded12 years ago
Number of ListenersCategories
GovernmentScienceNatural Sciences

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Artwork for Double Loop Podcast

Latest Episodes

In this episode Glenn and Eric catch up after some hectic travel from recent weather issues. They do some news updates and also Eric had advice for new Patreon subscribers. Then they play an Oscar-themed round of “A Truth, a Lie, and a Mandela Effect... more

In this first recorded episode of 2025, Eric and Glenn start with Eric being pedantic in his “A Truth, A Lie, and a Mandela Effect”. The guys catch up on New Year stuff and then launch into a review of a research paper from New South Wales, Australia... more

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 breaks down her doctoral thesis on quality management and oversight in forensic science... more

In this episode the guys discuss historical figures in the field of fingerprints. At the top of the episode Eric gives Glenn an Australian themed “A Truth, a Lie, and a Mandela Effect”. Glenn tells a couple of stories from his trip to London, which a... more

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Recent Guests

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
Mallory McCormick
Current board member and past president of CBD IAI
DC Department of Forensic Sciences
Episode: Episode 275 - 2024 IAI Conference: The Reno Recap
Angela Hilliard
Latent examiner with extensive experience in forensic science, particularly in the Pacific Northwest.
Episode: Episode 273 - Angela Hilliard Interview - Erroneous Exclusions
Niki Osborne
Contractor for NIST involved in the DNA report
National Institute of Standards and Technology (NIST)
Episode: Episode 272 - DNA and Human Factors Expert Working Group Report
Michelle Madrid
DNA technical lead at the Los Angeles County Sheriff's Department
Los Angeles County Sheriff's Department
Episode: Episode 272 - DNA and Human Factors Expert Working Group Report
Jarrah Kennedy
Assistant DNA Supervisor at the Kansas City Police Crime Laboratory
Kansas City Police Crime Laboratory
Episode: Episode 272 - DNA and Human Factors Expert Working Group Report
Anjali Ranadive
Forensic DNA expert with extensive experience in crime laboratory analysis and forensic consulting.
Arizona State University
Episode: Episode 271 - SD v Peacemaker Case and Anjali Ranadive Interview

Hosts

Glenn Langenburg
Co-host specializing in forensic science and latent print examination.
Eric Ray
Co-host with extensive background in forensic science and latent prints.

Reviews

4.7 out of 5 stars from 126 ratings
  • 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 States9 months 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 🇨🇦
    Canadaa year 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
  • Very Interesting

    The hosts are great, and there’s a lot of information regarding fingerprint analysis, even fir the layman. While sometimes it can have jargon that you have to have a bit of experience - either in the field or in forensics in general - it’s still a fascinating look at both the mechanics and the techniques in identification, with specific cases sometimes given as examples.

    Apple Podcasts
    5
    LeoFlash
    United States4 years ago

Listeners Say

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

Audience members highlight the relevance of episodes to their professional development and ongoing education.
The mixture of expert interviews and practical case analysis offers insights that both forensic professionals and enthusiasts find informative.
Listeners value the podcast for its informative and engaging content, often sharing episodes with colleagues in the forensic field.
The engaging banter between hosts makes the show enjoyable, and many listeners appreciate the clear breakdown of complex topics.

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

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
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Interests
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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?

A weekly show that explores various facets of forensic science, with a particular emphasis on latent print examination. The discussions cover a range of topics, including recent developments in the field, notable historical cases, and interviews with experts who share insights into their specialties. In addition to the technical aspects, the hosts also engage in discussions about relevant current events and research publications, making complex topics more accessible to both professionals and enthusiasts alike. The dynamic blend of expert guests, anecdotal references, and educational analysis creates an engaging and informative listening experience for those interested in forensics and true crime.

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How many listeners does Double Loop Podcast get?

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How many subscribers and views does Double Loop Podcast have?

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Which podcasts are similar to Double Loop Podcast?

These podcasts share a similar audience with Double Loop Podcast:

1. Park Predators
2. Sword and Scale
3. Crime Junkie
4. Morbid
5. 48 Hours

How many episodes of Double Loop Podcast are there?

Double Loop Podcast launched 12 years ago and published 145 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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What guests have appeared on Double Loop Podcast?

Recent guests on Double Loop Podcast include:

1. Ruby O'Connor
2. Andrew Chapman
3. Dr. Sarah Chu
4. Mallory McCormick
5. Angela Hilliard
6. Niki Osborne
7. Michelle Madrid
8. Jarrah Kennedy

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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