I liked the episode a lot but that rapist might be the worst voice actor I've ever heard...he doesn't come across as threatening or scary only funny. I can't help but laugh at every line read he has and I'm assuming the character is supposed to be some kind of murderous sicko and that just doesn't come across.
The only prediction I have is that with the Mallers being gone means they were able to relocate somewhere better and more secure,which is why they wanted the tower. I am assuming the new regime in the colony was somehow linked with the mallers already and got themselves in a place to take over and move in which is probably the same thing they had hoped to do with the help from the rat in the tower. I also wonder where all the zombies have gone and why with all the movement and noise being made there haven't been at least random zombie kills just to keep the idea that they are some kind of threat. I'm glad we're moving toward a big conflict but almost a month until the next episode...damn this forum is going to be very active with theories.