# Polygraphs in Nancy Guthrie case — how they could be narrowing the search to find a suspect Page: https://stenobird.com/podcast/brian-entin-investigates-7492974/polygraphs-in-nancy-guthrie-case-how-they-could-be-narrowing-the-search-to-find-a-suspect Text version: https://stenobird.com/podcast/brian-entin-investigates-7492974/polygraphs-in-nancy-guthrie-case-how-they-could-be-narrowing-the-search-to-find-a-suspect.md Podcast: [Brian Entin Investigates](https://stenobird.com/podcast/brian-entin-investigates-7492974) Published: 2026-06-01T21:00:00+00:00 Episode link: https://pdst.fm/e/mgln.ai/e/135/verifi.podscribe.com/rss/p/tracking.swap.fm/track/i7NUCPwi3tJP053nG6mP/traffic.megaphone.fm/STU5380504091.mp3?updated=1780335911 Audio file: https://pdst.fm/e/mgln.ai/e/135/verifi.podscribe.com/rss/p/tracking.swap.fm/track/i7NUCPwi3tJP053nG6mP/traffic.megaphone.fm/STU5380504091.mp3?updated=1780335911 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/brian-entin-investigates-7492974/episodes/polygraphs-in-nancy-guthrie-case-how-they-could-be-narrowing-the-search-to-find-a-suspect Duration seconds: 2368 ## Resource It has been four months since Nancy Guthrie vanished from her Tucson, Arizona home. In this episode of Brian Entin Investigates, Brian rebuffs some reports that detectives are getting closer to a suspect name. Also, renowned detective Jon Buehler examines the case and explains how polygraphs work and why they could be critical in narrowing down the search for who is responsible. Thank you to this episode's sponsor! -Incogni: They can't harm you, if they can't find you! Use code brianentin at the link below and get 60% off an annual plan: ⁠⁠⁠⁠incogni.com/brianentin⁠⁠⁠⁠ Watch the video version on YouTube: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://youtube.com/@brianentininvestigates⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Listen anywhere! ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://bit.ly/brianentininvestigates⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Follow Brian Entin on Social Media: TikTok: / brianentin X: https://x.com/BrianEntin Instagram: / brianentin Learn more about your ad choices. Visit podcastchoices.com/adchoices ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/brian-entin-investigates-7492974/episodes/polygraphs-in-nancy-guthrie-case-how-they-could-be-narrowing-the-search-to-find-a-suspect/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/brian-entin-investigates-7492974/polygraphs-in-nancy-guthrie-case-how-they-could-be-narrowing-the-search-to-find-a-suspect.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.