Chief Zhang's brain instantly entered high-speed operation mode...
If this was a murder case by an Exotic Beast, after killing someone, the beast would definitely find a place to hide. It's in their nature to hide in the cracks of the stone tower, which is quite normal.
What would humans do in such a situation?
The simplest and most effective way is to blow up the stone tower.
If Lin Xiaosu hadn't appeared, this stone tower would have been blown up.
The case later took a turn.
After Lin Xiaosu's involvement, the real killer turned out to be a human.
If it's a human, that complicates things.
The stone tower became a brilliant anti-detection strategy—drawing the investigators' attention into the tower, making them unable to focus on the real killer outside. Whether the tower gets blown up or not, it's a huge ordeal, providing the killer a chance to observe and retreat calmly.
