"From the perspective of criminal psychology, not every crime has a premeditated motive. Although most motives are related to love, hate, and money, there are also crimes of passion."
"So is this a crime of passion?"
"Not necessarily. We'll see what the suspects say." Mo Li glanced at Xiao Rui. "I suggest we try this..."
...
Back in the interrogation room, Kang Zhi dropped the dinner box before the suspects. "Go ahead and eat! After the autopsy is over, and there is no problem, you can go!"
The couple looked at each other and carefully reached for the dinner box.
"Say, you are not getting younger, haven't you considered having a child? Who is going to look after you when you're old?"
The husband's hands paused. "Sir, what do you mean?"
"Officer, this is our family business and has nothing to do with you. Plus we will have a child in time." The wife waved at her husband, to signal at him to be quiet.