why did Paul not kill Stella?
In his assault on Stella and Anderson in the interview room, it appeared like Paul had enough time to kill her, or hurt her even worse than he did. If I recall correctly, after he broke Anderson's arm, he went back to Stella and kicked her in the stomach a few times. I would imagine he could have killed her, or hurt her worse, during this time.
My only theory is that, at that time, Paul was pissed off but hadn't yet fully decided to give up on his whole amnesia excuse. Maybe he thought there was still a chance (albeit a small one) the amnesia excuse would work, so he didn't want to kill Stella and seal his fate in the judicial system.
Thoughts?