Leviticus 5:1
And if a soul sin, and hear the voice of swearing, and is a witness, whether he has seen or known of it; if he do not utter it, then he shall bear his iniquity.
And if a soul sin, and hear the voice of swearing, and is a witness, whether he has seen or known of it; if he do not utter it, then he shall bear his iniquity.