Draco was going to go ahead and assume that Tonks already knew everything that had happened to him with Kazimir already. Certainly the Aurors talked together or had meetings or something. At the very least he expected what happened to be as important to them as it had been to him. After all, he was important!
"The vampire!" He told her, his expression instantly stormy and sulky and oh so Malfoyesque. "He assaulted me again! Why can't you people do anything about this? Did you maybe think that letting a monster run around in a place filled with what it considers food was a bad idea? Can't you keep him...away from me?"