"It was Lily’s sister, Petunia, and her husband, Vernon, who had killed Arabella, when Arabella was visiting them, because both were sentenced to twenty years in prison instead of the maximum ten years for child abuse", Albus answered finally. Everyone gasped. How could those muggles do this? They have sent protection, so that the boy didn’t run away and they just killed off their protection. So, that was how they didn’t receive any information regarding, how Akira managed to be adopted and how he brought down the light side. Most were furious and others were just shocked that those muggles could do this.