

This is a podcast aimed at better understanding other people and better understanding ourselves.
I’m Zachary Elwood. On this podcast, I talk to people from a wide range of professions and backgrounds about behavior and psychology.
Ready to jump in? Here are some popular episode compilations:
- Crime & investigation-related
- Politics-related
- Mental health-related
- Sports & games-related
- Behavior bullshit
Here are some of my my favorites.

This show will help you understand human behavior and psychology so you can better navigate your personal and professional life and better connect with people. The host Zachary Elwood, known for his Reading Poker Tells trilogy of books, talks with a wide range of guests who have unique real-world insights, including: law enforcement professionals, behavior and psychology researchers, sports analysts, visa officers, jury consultants, political researchers, mental health experts, and many more. What drives this show is the idea that truly understanding people requires patience, nuance, and a willingness to question simplistic ideas and assumptions. There are more than 200 episodes. To learn more details, see transcripts, and sign up for updates, go to www.behavior-podcast.com.
How much can we really learn from people’s words and behavior—and where do we risk fooling ourselves? In this talk, former Secret Service agent and polygraph examiner Brad Beeler explores the practical realities of interrogations, deception detection, statement analysis, and reading people in high-stakes situations. We discuss why confirmation bias is such a threat to good investigations, why many popular body-language claims are overstated, and how investigators might make use of subtle behavioral clues without becoming wrongly overconfident in them. Brad shares stories from criminal investigations, explains how experienced interviewers think about truth and deception, and offers a polygraph examiner’s take on the controversial subject of polygraphs. We also talk about the importance of rapport-building and listening to what people are actually trying to communicate.
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Popular Episodes
- About this podcast: why I do it and why I think it’s important
- Questioning if body language is useful for detecting lies, with Tim Levine
- Reading and predicting jury behavior, with Christina Marinakis
- How to spot fake online reviews, with Olu Popoola
- Persuasion in polarized environments, with Matthew Hornsey
- Relationship “tells”, with Brandi Fink
- Cryptocurrency, problem gambling, and addiction, with Paul Delfabbro
- Reading poker tells, with poker pro Dara O’Kearney
- Why do so many people “want to watch the world burn”?, with Kevin Arceneaux
- Understanding and coping with anxiety, with editor of The Atlantic Scott Stossel
About me
I’m most known for my work on poker tells (aka, poker behavior). My first poker tells book, Reading Poker Tells, has been translated into eight languages. I’m also known for my work on political polarization (for example, my book Defusing American Anger). My independent research on deceptive online activity has been featured in NY Times, Washington Post, Buzzfeed, and more.
Like the show?
If you enjoy this podcast, please share it with others, and/or write me a review on Apple Podcasts. If you want to support my work, get a premium podcast subscription, or sign up for my depolarization-aimed Substack newsletter. Other ways to show appreciation: subscribe to this podcast on YouTube or Apple or Spotify (or wherever). You can also sign up below to get updates.