Wu Xia was a fingerprint expert from Anping Province and also a trace evidence examiner, but if just considering the level of trace examination, he might sway between LV2.8 and LV3, not as proficient as his level in fingerprint analysis.
Therefore, Wu Xia was a trace examiner with expert fingerprint identification skills, but primarily a fingerprint expert, who couldn't understand the trace photos given by Jiang Yuan…
This was, of course, quite abnormal!
Wu Xia had hardly ever encountered such a situation.
Given his level of trace examination skill, it was normal for there to be traces he couldn't make sense of, but why couldn't he understand them?
Zhang Xian, the true LV4.8 expert from the ministry named in the neighboring department, slid over.