Double Loop Podcast
Glenn Langenburg and Eric Ray discuss latent prints, the latest latent print research, forensic science in general, and regular interviews with people in the latent print field.
- Update frequency
- every 22 days
- Average duration
- 67 minutes
- Episodes
- 151
- Years Active
- 2013 - 2025
Episode 285 - Michael Whyte Interview - Latent to Latent Comparisons
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 i…
01:08:18 |
Tue 12 Aug 2025
Episode 284 - Black Box '22 - Part 2 (with Brendan Max)
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 Divis…
01:28:36 |
Mon 28 Jul 2025
Episode 283 - DNA & Patterns
Glenn Langenburg and Eric Ray review two articles from Cell that focus on the genetic basis for ridge development and pattern formation. 'The developmental basis of fingerprint pattern formation and …
01:09:34 |
Mon 26 May 2025
Episode 282 - Noblis-FBI Black Box 2 Fingerprint Study
In this episode, Glenn and Eric start with a quick game of “A Truth, A Lie, and a Mandella Effect”. Then they pose a question from a listener regarding interest in a forum where listeners can go an…
01:22:36 |
Sat 10 May 2025
Episode 281 Kasey Wertheim Tribute
Eric Ray and Glenn Langenburg pay tribute to our colleague and friend. Kasey Wertheim passed away on March 7, 2025 and will be greatly missed. Please join us as we remember his legacy and contributio…
01:01:15 |
Sun 06 Apr 2025
Episode 280 - Pat Wertheim Tribute
Eric Ray and Glenn Langenburg pay tribute to our mentor and friend. Pat Wertheim recently passed and will be greatly missed. Please join us as we remember his legacy and tell a few stories.
01:17:20 |
Fri 21 Mar 2025
Episode 279 - Simultaneous Impressions
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-…
01:19:11 |
Sun 16 Mar 2025
Episode 278 - Aussie Paper on Examiner Disagreements
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…
01:02:51 |
Mon 03 Mar 2025
Episode 277 - Sarah Chu Interview
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 q…
01:10:21 |
Tue 14 Jan 2025
Episode 276 - History Episode - Stories of the Forefathers
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…
01:34:25 |
Mon 09 Dec 2024
Episode 275 - 2024 IAI Conference: The Reno Recap
The guys start out with a quick explanation of why Glenn’s sound is so bad (he’s in Switzerland recording). They also start the new “season”, post-IAI with a new game: "Truth, Lie, or Mandela Effect…
01:21:03 |
Fri 01 Nov 2024
Episode 274 - NIST Inconclusive Paper
Eric and Glenn are back from a little summer break, prepping for the 2024 IAI Conference in Reno. They do a final “Where in the Whorld?” game. Then they jump into a recent paper on “Inconclusive” d…
00:56:15 |
Sun 01 Sep 2024
Episode 273 - Angela Hilliard Interview - Erroneous Exclusions
Glenn and Eric are joined by Angela Hilliard to discuss her experiences with a cold case from the Pacific Northwest. Genetic genealogy provided a suspect's name from a cold case double homicide, and …
01:05:22 |
Tue 16 Jul 2024
Episode 272 - DNA and Human Factors Expert Working Group Report
This super-sized episode has the guys interviewing several people from a recent Expert Working Group on Human Factors in the discipline of DNA. Glenn starts by giving Eric his “Where in the Whorld” …
01:41:17 |
Sun 30 Jun 2024
Episode 271 - SD v Peacemaker Case and Anjali Ranadive Interview
Eric and Glenn start the episode with a Where in the Whorld that leads to a little catching up. Glenn was in NYC recently (saw the Harry Potter show on Broadway, indulging his “magician” side) and E…
01:26:57 |
Mon 06 May 2024
Episode 270 - The TFSC Report and the Webster Case - Pt 2
Today Eric and Glenn finish Part 2 on the 2023 Report of the Texas Forensic Science Commission dealing with a latent print case. They continue to discuss the TFSC report that followed an investigatio…
01:16:44 |
Sun 21 Apr 2024
Episode 269 - The TFSC Report and the Webster Case - Pt 1
Today Eric and Glenn start Part 1 of a two-parter on the 2023 Report of the Texas Forensic Science Commission dealing with a latent print case. First the guys do some catching up and play Where in t…
00:59:47 |
Mon 08 Apr 2024
Episode 268 - Steve Johnson Interview
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 latent prints, forensic art, face comparison, cri…
00:49:39 |
Thu 21 Mar 2024
Episode 267- Chloe George Interview - Research on Phalange Patterns
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 Eric’s childhood, the guys welcome Chloe George from New South …
00:52:23 |
Sat 09 Mar 2024
Episode 266 - Andy Chapman Interview - Aussie Black Box Study
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 Whorld. They then introduce their guest from the New South Wal…
00:56:52 |
Sat 17 Feb 2024
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