I wondered about the fake scientist too. Thought maybe he got taken out when I wasn't paying attention.
The thing with the horse, was the point supposed to be that when the humans tried to get close to it and domesticate it, it stopped running away so fast, so the next time the zombies came it didn't run away and instead became horsemeat? Meaning, this is what happens when you get soft Daryl?
When Sasha was out shooting picture frames at the start, did they show another guy walking around with a gun or did I imagine that? I think I imagined it. Was not motivated to rewind.