"My father said they've Traced some Spells, but he plans to add more." Albus explained. "He doesn't want to catch people who produce pesticides, Dorian. He wants to catch people who kill. He thinks the killer will use the Dark Arts again, in the next few days, and he intends to catch him." The group fell silent again, The question still hung in the air. Since Albus had just arrived, he was the one to talk about it first; "So, which one of you did it?"