I mean if you have ever found a politician who says, 'No, no, I would do everything exactly as I did,' then you can tell when he is lying because his lips are moving.
How do you know if a demon is lying? His lips are moving.
The LORD detests lying lips, but he delights in men who are truthful. PROVERBS 12:22
Mitch's take on humanity had deteriorated to the point where he assumed someone was lying if her lips were moving.
Lying and war are always associated. Listen closely when you hear a war-maker try to defend his current war: If he moves his lips he's lying.
For it was not into my ear you whispered, but into my heart. It was not my lips you kissed, but my soul.
Lying is done with words and also with silence.