The CSD had been officially established for only about four or five days; everything was still in preparation. The higher-ups hadn't inquired if the CSD was currently capable of accepting missions before they dispatched the assignment. Wasn't that somewhat illogical?
For now, let's assume it's because the case was urgent, needing a quick capture of the spy lurking in Bird City. They couldn't wait for the CSD to be ready to take on the task. But then why didn't the Security Department handle this matter themselves instead of handing it over to the CSD?
The CSD had just been formed, its members consisting of nothing but assassins and special forces operatives, devoid of any experience in case handling, let alone cracking spy cases. The higher-ups were aware of this issue, could it be that they were not afraid that the CSD would mess up the case?