Mission 2: Rockwell
This mission teaches you about the holobob.
whilst aiming at a human, assumes their identity. When you reach the second guy, who is basically dogging, aim at him and press
. Assuming your disguise didn't already start to be lost, you can unlock this early.
If you fail the mission early, but at least reaching the gates, you'll spawn in Holobob, you can press
whilst aiming at the cop by the car on oppostie side of the road to unlock this.