On the level called Conspiracy, Go to the office that has the camera you use a hand scanner to deactivate. Possess a guard and scan his hand. Then kill all of the guards. Go into the office. And get on the computer that is closest to the camera and then use it to activate the camera. Don't worry the alarm won't go off if you put it on manual mode then steer it over to the computer and into the screen. Zoom in and there is a graphic glitch. Wierd Right?