shooting the off-duty cop. >> you can see that he has the badge in his hands. >> it looks like you are sweating a little bit. >> yes it is an adrenaline dump and rush and makes you cold and clammy and my mouth dry and this is where i want to learn from the failures rather than there, and failing, because this is the edge to fail here and not fail on the streets. >> reporter: how realistic is this to the officers? >> very realistic, because he is working through many problems. >> reporter: and the police officer says that the goal through the 360-degree system is to make it as real as possible. the trainee wears an electric impulse box and the gun is unloaded but real weapon and the screens behind the officer imitate what is it really like on the streets. >> i can escalate the dialogue branches and de-escalate it. >> i am listening, and providing responses. >> reporter: even for a veteran,