Here is a topic for speculation:
Just why the heck was Nick to determined to kill that Vulture?
The only reason hinted at so far is that he beat Nick to the supplies at the church. Thinking on it, that just could not be the reason for his hatred. Thus, they will reveal the real cause later.
The Vulture did say that he did not think he would ever see Nick again, and I think Nick indicated that the guy did something to him while someone watched.
What could it be?
Did the guy bugger Nick?
Did the guy kill Madison?
What do people think?