I liked this one a great deal--a lot of building tension, helped by the "flash forward" opening which tells you straight out something big and nasty is about to happen.
I liked Mick's character development to Fritz and Chelsea, though I did suggest a small change from his original draft: he wrote them getting a puppy. I changed it to a kitten to be a little closer to reality--I got a black cat in Real Life just a few months ago. Who does, indeed, leave the foulest piles I've ever encountered. We've changed his cat food and it still reeks--I guess it's just him.