The courier became suspicious? If he had that kind of insight and vigilance, would he still need to deliver packages in wind and rain?

15 cases of Moutai and Wuliangye, without unpacking or inspecting the goods, become "clues to solving the case"? This story is so fabricated that even ghosts wouldn't believe it.
It's just that big data had already targeted them, and an insider reported it precisely.
The current propaganda really rubs the intelligence of the lower-class people into the ground.