Mr. Zhao roared excitedly, and the two police officers came over to help hold open the large evidence bag as they placed the electric saw inside.
"First, collect the fingerprints; the saw is operated by gripping, so there's no particular orientation for use—left or right hand are both possible—so be meticulous with both sides. Don't miss the plug at the back either."
Zhou Ning's face showed no signs of excitement. Mr. Zhao glanced at him, puzzled, and asked.
"Zhou Xiaozhou, you don't seem too pleased. Do you think there's something wrong with this case?"
Zhou Ning shook his head, a nameless emotion swirling in his heart.
"Zhang Min'an and Luo Suqin, one a widower, the other unmarried, left their hometown at such an advanced age to live here, without even a marriage certificate, far from their children, dwelling in such a dilapidated courtyard.