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Videos

Fingerprints & Sweat Glands

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Amazing time lapse footage of the secretion of sweat from the eccrine glands in the hand and how, when in contact with a surface,...
Interviews

Sandy Siegel Interview – Episode 152

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Eric and Glenn sit down for an interview with Sandy Siegel and are also joined by a crew of Texas examiners (and one from...
Articles

White Box Paper III – Episode 132

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Glenn Langenburg and Eric Ray discuss the most recent paper from the Noblis team (Bradford Ulery, Austin Hicklin, Maria Roberts, and JoAnn Buscaglia) from...
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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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