Place it right after the dubious claim in your edit, preceded by a sudden suspense sting to build the accusation, then follow it with the wrong answer game show buzz for a caught-out sequence that needs no extra commentary from you.
关于此声音
This clip is a spoken Russian phrase, 'ne nado lgat,' meaning don't lie, delivered as a short five-second voice line. It feels blunt and accusatory in a funny way, turning a caught-out moment into a direct call-out that lands like a playful scolding rather than a serious argument.