It's Robert Pattinson who is playing amazing this low mind
Rob: He's always been treated as someone who has a low mind by all the people surronding him so he never had to take any kind of responsability. it's the same thing when he kills people. For him it's not real. He doesn't understand what's happening and it's like a game. No one is nice towards him so since no one takes care of him , he doesn't care about anything. The importance of killing someone doesn't matter
Source | Translation | Via
