Place this clip at the moment the proof appears on screen, then follow it with the enemy spotted button once the person reacts, or let a nope sound button close the exchange if they start denying everything in the comments section below.
About this sound
A 2-second Russian voice clip of someone saying 'Ya znayu chto ty', the start of 'I know what you', cut off before the sentence finishes. The unfinished accusation feels tense and knowing, like being caught mid-secret, which makes the pause after it land as awkward and funny at the same time.