What sense does it make to call someone "interested in" group norms that they don't comply with? Is a murderer "interested in" the law against murder? If they

What sense does it make to call someone "interested in" group norms that they don't comply with? Is a murderer "interested in" the law against murder? If they were "genuinely disinterested in the law against murder," they wouldn't kill? It makes no sense. If there's a body, then the law didn't stop them.