Earlier quoted context omitted.
Maybe he saw how the world basically thought he was an amazing hero and he wanted to let people know who he really is.
I think this might actually be it - he may have been motivated in some part by fame (but planned to be anonymous and get away with it) and after the hugely positive online response decided to purposely get caught. Trial for this could be hugely publicized
I wonder if cops were monitoring major news offices because of this.