A Note From Lara: If you don't get this, I pity you, and urge you to watch more South Park.
Peter stood in the center of the carnival, not wanting to believe what his ears were telling him. He stared from face to face, begging one of them to tell them that Samuel, Bennet, Sylar and Angela were lying. But every pair of eyes was filled with truth. Nathan was gone.
There was only one thing he could say in this situation.
"OH MY GOD! THEY KILLED NATHAN!! YOU BASTARDS!"