You were trying to break Hoxton out by driving him through the city in an armoured car. You try to escape through a parking lot, when the bollards in the underground parking lot appear infront of the car, stopping it. You hop out of the car, and head into a security room, where a Bulldozer was watching the cams.

The Bulldozer notices you. "You're up against the wall, and I AM THE FUCKING WALL!" She shouts, before aiming her shotgun at you.