Camp Redwood - S9-E1
Stupidity: Brooke uses a flashlight to enter the cabins rather than turning on the cabin light switches. The camp has electricity powering the lights, TV, etc.
Camp Redwood - S9-E1
Stupidity: Brooke leaves her apartment window open as she sleeps, even after telling her friends that serial killers (like The Night Stalker) strike during the summer when everybody leaves their windows open.
Chosen answer: Because on Halloween, the souls of The Dead are said to roam the Earth. That includes those souls that are trapped within the walls of the "Murder House".
THGhost