Deadline

On the first floor, punch out the initial group of enemies. Grab a melee weapon to eliminate enemies in the south-east, then a gun to shoot the remaining enemies in the west room. Proceed to the elevator.

On the second floor, kill the guard at the elevator exit and take his silenced gun. Use it to stealthily eliminate enemies, starting with patrols in the middle, then shooters in the south, followed by enemies in the north-east and north-west rooms. Finish off any remaining enemies in the south-west room with the silenced gun or any other weapon. Proceed to the elevator.

On the third floor, kill the first guard and the one in the room to the north using melee or fists, then shoot the guard in the room to the east. Use cover (press the cover button to crouch behind walls or objects) (objects that block enemy line of sight) if enemies investigate and kill them as they move away. Enter the south-east room and use the glass walls for clear line of sight to eliminate patrols and sentries to the north-east with a shotgun. Move room by room, picking up a loaded shotgun (ideally a six-round gun), and kill remaining enemies individually, using cover if they pursue you.

Return to the elevator and go to the first floor.

Wait for a van to crash through the entrance. Approach the entrance and use the wall between you and the van to block incoming molotov cocktails. Wait and aim down to shoot enemies emerging from the van until the molotov-wielding enemy gives up.

Proceed to the car to complete the mission.