Leviticus 5:3
or if he touch the uncleanness of man, any uncleanness of him by which he is defiled, and it be hid from him, when he knoweth it, then he is guilty.or if he touch the uncleanness of man, any uncleanness of him by which he is defiled, and it be hid from him, when he knoweth it, then he is guilty.