Those who worked on the most sensitive areas of the prison camp, such as the inner section of medical laboratories within the prisoners' quarters, were executed once construction was complete to ensure secrecy.
Orang-orang yang bekerja di area-area paling sensitif di kamp penjara itu, seperti bagian dalam dari laboratorium medis, dieksekusi setelah pembangunan selesai untuk memastikan kerahasiaannya.