U.S. President Donald Trump and Former Vice President Joe Biden squared off in their first presidential debate on Tuesday with biting remarks and interruptions. But their bodies were speaking a whole different language.

CGTN talked to three body language experts to find out what the candidates' non-verbal communication showed.

Traci Brown: Keynote speaker on detecting fraud and author of "Persuasion Point" and "How to Detect Lies, Fraud and Identity Theft."

Lillian Glass: Author of "Toxic People", "The Body Language of Liars", and "Talk to Win".

Tonya Reiman: Author of "The Yes Factor", "The Power of Body Language", and "The Body Language of Dating".

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