Where has David gone?
” I do not know where David has gone”
He is touching his nose or his lip. He is lying and hiding something
Be careful as perhaps they may have had a medical issue with their nose when they were a kid. Therefore it is imperative to find their base-line and if undetected you can assume deception
” I do not know where David has gone”
He is unsure of where John is – he is telling the truth
Or
” I do not know where David has gone”
He is comforting himself. He is hiding something, he does not have confidence in his words and he fears the implications.
” I do not know where David has gone”
He is embarrassed to say – he is hiding something