How do you make RoboCop? How do you slowly bring a guy to be a robot? How do you actually take humanity out of someone and how do you program a brain, so to speak, and how does that affect an individual?

How do you make RoboCop? How do you slowly bring a guy to be a robot? How do you actually take humanity out of someone and how do you program a brain, so to speak, and how does that affect an individual?