The old criminal investigator had a habit, which was to always keep a watchful eye while interacting with others, never fully trusting what they said, even if there were no signs of a flaw.
Whether it was Yan Yu's explanation or Chen Lingyun's statement, Zhang Jin took note of them but also held onto a touch of doubt.
Next, it was time to interact with each girl and gather firsthand information.
Zhang Jin's first choice was Lin Ning. This girl was preparing vegetables in the kitchen when Yan Yu called her to the study on the second floor to meet with Zhang Jin alone.
"Hello." Lin Ning closed the door behind her, "May I know what this is about?"
"Oh, nothing much, just a simple interview," Zhang Jin gestured for her to take a seat, "Do you mind if I ask you some questions?"
"Go ahead." Lin Ning agreed without any hint of guile.