Since no pattern had been identified elsewhere, could the murderer have logged into this system to identify his target?
Following that assumption, besides the company employees and managers who had already been investigated, who else could freely access this system without attracting the police's attention?
...
You Mingxu immediately asked her colleagues in Information Technology to find out who created these two office systems. Now, they have a response—
The systems were made by the same software outsourcing company! A bathhouse like this wouldn't maintain a robust Information Technology department on its own, so they outsourced their computer systems. The only issue was that such outsourcing companies usually had high staff turnover. But, You Mingxu's colleague was sharp and was able to trace a staff member who left the outsourcing company three months ago but was involved in building the systems for the two bathhouses.
