Half an hour later, in the interrogation room of the criminal police squad.
Zhang Xin was shackled to the interrogation chair. Now all the evidence pointed to her, making her a prime suspect, and her feigned insanity to obstruct the investigation only worsened the nature of her actions.
Liu Yongxin, Zhou Ning, and Mr. Zhao were all next door, watching the interrogation room through the one-way glass. However, there were only two headsets available, so Mr. Zhao had to stand beside Zhou Ning, sharing one of the earpieces to listen in.
Xu Dayuan played the surveillance footage once more, and when Zhang Xin began gnawing on the bun, he paused the video and then held up the diagnosis certificate issued by Mr. Liu.
