I don’t know why everyone seems to think he was emotional over his friend dying. I thought it was more of a moment of self-realization. “Holy shit, I am going to end up just like this guy. Dead for a cause I was forced into and don’t support. I need to get the fuck out of here.” That would expalin why it was so easy…

Exactly. These guys are hoping to instigate something bigger, which is why the FBI’s response is perfect.

I thought it was pretty clear that he was conditioned from childhood to be a soldier and soldiers are trained to fight and kill. When that training becomes a reality and he is forced to kill, what in his mind are inncoent people, he freaks out and realizes it’s wrong. He also realizes what exactly the stormtroopers…