After his discovery, Jayden took it upon himself to get to the root of everything.
There was a certain fact that someone must have helped Sofia because no typical civilian was allowed to enter the island except if they were working in one of the Units.
Jayden would never employ Sofia, and it wasn't as if she was experienced in any fields. He kept wondering how she sustained a several-month stay in the Defence Unit and wasn't discovered to be unqualified and unwanted.
There was a thorough questioning of all workers, especially the ones working in the Defence Unit, and the External Affairs Teams, who were to be most suspected.
The Security Teams were on probe too; however, Jayden had to do things gradually.
It started with the Defence Unit workers, where Harper played a big role in making them speak, but unfortunately, it was more than certain that they knew nothing about it in the end.
It was when Jayden met the External Affairs Team that the investigation became significant.