Most Replayed Moment: Ex-CIA Reveals What Spies Know About Human Nature

The Diary Of A CEO with Steven Bartlett

Friday, 31 July 2026 - 33 minutes

What do spies understand about people that most of us miss?

John Kiriakou is a former CIA officer, whistleblower, and intelligence expert who spent years working inside the world of espionage and national security.

In this Moment, John Kiriakou reveals the lessons the intelligence world teaches about human behaviour, how people can be read through subtle signals, and what years of studying others taught him about trust, deception, and understanding those around you.

Listen to the full episode here!

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