Lucius had been this dark figure of authority in Draco’s childhood. She had seen how he had treated him as a boy. His entire life, he wanted approval from his father only for him to misuse his trust and hand him over to Voldemort. But Draco was no longer the 16-year-old boy afraid of his father. He was a fierce wizard. Perhaps seeing his father in cuffs and behind bars, fallen from grace, would show him he was good enough.