Lupin jerks his head toward the door, and Draco follows him outside. He knows, of course, what Lupin is going to tell him, the questions are just when and how, and one or both. "I’m sorry, Draco," Lupin says, unfailingly courteous. "Astoria’s information came from Rodolphus, so we are sure it is accurate. The Dark Lord was displeased with your father, and he ordered Bellatrix to crucio him."