Once the war was over and he settled into his preferred place on the very edge of the Death Eaters, she didn't pay much mind to him. If they were ever in the same room together, she hardly even registered his existence. They moved in different social circles. Or, rather, she moved in social circles while he had only a couple of friends who even bothered to acknowledge him in public. It was no wonder that he'd sought out the Resistance as a potential ally. The signs were all there. He was ripe for the picking. With his only true friend within the ranks of the Dark Lord's followers dead, he had very little to tie him to the organization that Hermione had devoted her life and her being to for more than half her life. Even his disgraced father wasn't enough to ensure his undying loyalty. If it wasn't already evident to those within the Inner Circle that he was a very powerful enemy to have, it would be soon.