After a moment’s contemplation, Xiaotao said, "You mean the murderer lives near her school?"

I nodded, "Looks like you understand what I mean! Only the seventh victim was murdered because if two people died at the same time, that means something else entirely. If she was murdered alone, she could’ve been kidnapped anywhere, but if two of them were murdered at the same time, it was equivalent to announcing to the police that the murderer travelled on that road. The murderer might have been someone who lived nearby or passed that road every day."

"Then why didn't he kidnap only one of them?" asked Bingxin.

"I think it was an accident that Shen Lijuan went home with the seventh...