Aaron took an interest in all potential members to the Death Eaters. Though he could not control who had already been, in a sense, grandfathered in, he could control the newer members. And with Alistair's turn of Sophia Granger, an Order member, Aaron had taken a huge interest in her. Not only was she related to a famous witch, she also had ties to the Order, and the more information, the better.
He followed behind her closely, watching her every movement and wondering what she was planning on doing. She seemed to be planning something but what it was remained a mystery to Aaron. He did know that when someone changed their ideals overnight, nothing good usually came from it. Most former "good" guys had this misconstrued view of what it was like to be evil. They thought all it involved was constantly wanting to cause mayhem and kill whatever they laid their eyes on.
He was not exactly sure how to approach her. They had never met before and if Aaron introduced himself as her little stalker as of late things might not go over too well. He just approached her quickly from behind and spoke from behind her. "It looks like you have violence on your mind." Aaron said quietly with a soft smile played on his lips. "I am not sure how well that would go over with three aurors in the vicinity." He pointed his fingers at the three men who he knew to be aurors. They were not strong, and sure Aaron could take them, but the scene was what he was trying to avoid.
"Why don't we talk?"