The arrows are carved with unique numbers, which may be the reason why Qian Wencai cleaned the battlefield and wanted to take back all the arrows.

Because bows and crossbows are not only controlled goods in China, but also managed more strictly than throwing sticks and so on. The stores that provide them are specially filed. To buy one requires not only a large margin, but also relevant agreements. If you commit a homicide with this crossbow, you can easily be traced down.

Don't leave evidence even if it's a real killing.

There are some on the black market, but who are Qian Wencai? Will you go to the black...