 Because it wasn't disclosed. Yeah, before you get to the argument about whether or not there's a proper chain of custody, whether or not it came from the same batch or went here, as the prosecutor, you have to disclose it to the defense. And then if you disclose it and the defense raises the issue, you can raise all these objections at trial about the validity. Is this really something that would have led to not guilty? But if you, as a prosecutor, prevent the defense from even knowing about it, which essentially guts the ability to even have an argument,