C593 He Used Someone Else's Hand to Kill Her
"Rat" was the commercial spy Zhou Hao had recruited before. His original name was Shi Yongjin.
The Internal Investigation Department led by him was an independent organization under Zhou Hao's direct command. It was used to monitor the internal situation of Zhou Hao's businesses and prevent outside spies from invading. It protected the commercial secrets of Zhou Hao's companies