I thought it was painted pretty clearly, but I don't watch it with commercial breaks. The time-shifting of the episode, as well as the subtleties from scene to scene they put in were evident, but I imagine watching it live and catching the nuances would be difficult with tampons and furniture sales popping up every…

You're right. This was early in my review roundup reading. Judging by the IGN review, they actually watched the episode. Interesting idea they mention some viewers posing about Lizzie being responsible for killing Karen and Carol covering for her.

Is no one picking up on psycho Lizzy? I haven't seen anyone mention her stabbing the rabbits in the log (Love the camera hanging on the zombie rabbits in the prior scene)? She was determined to smother Judith. She's also obviously the one who dissected the frog in the first part of the season.