"Thanks," Draco said distractedly when Harry’s arm shot out to stop him from prematurely adding porcupine quills, "I think... remember what I said about seeing Astoria and Umbridge?" understanding dawned immediately, "I think that Astoria might have been the one who told her about us - under duress though," he added firmly, "I may not have known Astoria when she was this age, but she was always a woman of integrity,"  