Killing hope would have served no purpose, so there is that. The Rat could be Kelly, but thats not likely because Pippin and her were chatting it up for six hours. Kalani, thank Kc, is still a small possibility for rat-atude; he could have cut the wire, killed Pippin then gone down to the truck with Datu, but as I said not likely. Victor should have been ruled out simply because of his cologne problem. Lewis could be the rat. Oh, and for all those who say we know nothing about Kalani: we do, he is a pilot from Hawaii that has killed TWO behemoths and was at the other tower. I use to not believe his story too, but this episode has shown that he knows his stuff.