The investigator inside of her told her she needed to stay on this case, needed to stay on with the Malfoys in any way that she could, and learn everything there is to know about their evil empire. Commander Shacklebolt had been on to something, sure, with his accusations of the Malfoys being guilty of their aristocratic white-collar crimes. Hermione figured they most likely were guilty of those various crimes, but she also knew now that there was so much more that they were guilty of. There was so much more for her to uncover.