In the early 1990s, Wo Weihan met Guo Wanjun, a mainland missile technology expert, and bribed him with money. Guo Wanjun was involved in the design of a certain model of strategic missile. Blinded by greed, he lost his better judgment. From the mid-1990s to the early 21st century, Guo Wanjun gradually sank deeper into the abyss, becoming increasingly bold. Later, he knew that Wo Weihan was working for a foreign espionage organization...