Hermione was exhausted just thinking about all of the intrigue and secrecy that had become a part of their society since the Dark Lord was murdered by her husband. Hearing that Rodolphus was aware of what Antonin was trying to do also wasn't a surprise. Like she was well aware of already, there were spies everywhere. No doubt one of the people Antonin believed he could trust implicitly was passing along information to Rodolphus. Her money was on Draco. While she wasn't aware of the extent of their working relationship, the fact that Draco had a matching silver mirror seemed to indicate he was fully entrenched. He'd already made it a habit of betraying the Dolohov family to his uncle when it suited his purposes. Why would he stop?