It's hard to make puppets NOT creepy. They probably should have just started the night with burning them. It's just safer that way. But no, they had to go and enjoy the carnival. And now it's too late. Or is it?
We all know cats are up to no good. That one has now committed a crime should come as no surprise. But the question still remains: which one is the culprit?
This is one of those setups where you have to have some understanding for the killer. Unwanted visitors are annoying on their own, but here are thousands of them all the time. It doesn't excuse the killings, but anyone would be grumpy.