Place it right after the reveal shot, then follow the denial with a no no wait wait button, or precede the moment with sudden suspense to build toward the call-out before cutting away.
關於此聲音
A short 1.5-second spoken clip in French, a voice says 'Je sais bien que c'est toi' — I know full well it's you. It lands as a smug, caught-you accusation, funny because it's so blunt and certain, perfect for that instant when a disguise, fake voice or obvious lie fools nobody at all.