C2570 The Shock of the Top Floor

Their senior FBI agent knew the relationship between the FBI and Bureau X.

Strictly speaking, the FBI was just Bureau X's law enforcement department in the city. The FBI was subordinate to Bureau X, and the FBI worked for Bureau X.

After all, in Department X, there were either man-made or Biological Warrior. This was a secret weapon in the Citi Country, and it was also a great weapon in war