Regulus stared at the other man, knowing that he didn't really anything dark, but he couldn't help but think back to the past few years - his past few years. Gryffindors were guilty of lousy taste and forced camaraderie. Slytherins were guilty of torture and death, and some of it very pleasurable. "It depends what you're guilty of," he answered with a smirk.
"It is amazing how many people presume to know my brother." Potter had made stupid comments based on a few visits in the course for two years after Sirius had already spent over a decade in Azkaban. They had no clue who he was, except for those three that had recently returned. "He's here. I'm sure you'll find him if you look for his friends. They tend to congregate."