Other mistake: When Carrie leaves through the tunnel to the street, when she comes out of the store there's a shot of 2 people kinda looking at her. That shot was horizontally flipped - look at the sign on the door. (00:34:05)
Other mistake: The victim is said to have died between 10 and 11 but the neighbour put his bins out at midnight and heard the fight.
Camp Redwood - S9-E1
Other mistake: When the group enters the infirmary, none of them are soaked from the downpour of rain happening outside.