Author Michael Wolff’s book Fire and Fury has been questioned since it made national news Wednesday, leading YouTube channel Bombard’s Body Language to analyze Wolff’s most recent interview.

Wolff’s frequent stuttering, stiffness and wide eyes suggest deception according to Bombard.

When asked if he has any recordings of his alleged interviews with Trump or other White House officials, Wolff flutters his eyes, which Bombard says is a sign of lying.

Once more, the reporter asks if Wolff will release the recordings he claims to have since his credibility is being questioned, but he deflects and does not answer the question.

A passage in Wolff’s own book admits he was not truthful, saying he “let the players offer their versions” and that many accounts “are badly untrue,” but that he “settled on a version of events I believe to be true.”

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