During the first leak incident, Lin Qiushu was present, but An Hao and he did not suspect Lin Qiushu.
However, An Hui kept claiming innocence. At this time, he and An Hao already had some suspicion about Lin Qiushu because a person who wants to leak secrets must have means to sell them.
Lin Qiushu was the only one who had lived abroad for many years and engaged in business, leading them to have certain thoughts about her.
However, Lin Qiushu's motive for leaking secrets was unfounded; it felt unreasonable no matter how they analyzed it.
But during the second leak incident, the time of data exposure, Lin Qiushu was present and was the only person consistently with the data.
Later in the investigation, it was proven that Lin Qiushu was never alone with the data, and no evidence of Lin Qiushu leaking secrets was found.
Similarly, the motive remained unclear.
In both incidents, Lin Qiushu happened to be involved, making her suspect.
The third time, during the meal at Nanguofeng.
