At the opening hours of the strikes on Iran, Tehran's surveillance empire, built for monitoring citizens, helped the United States and Israel track the whereabouts of Ali Khamenei, leading to his death.
China, the hand that helped build this system for Iran, was unaware it had been hacked by the United States for years.
The news should send chills through Beijing's leadership. That's because China is operating a surveillance system using the same equipment, but on a much larger scale.