Don't Turn the Lights On

Supposedly, at college in the state, a girl was studying late at the library and went back to her dorm room to
get some books or notes. So she wouldn’t disturb her roommate, she didn’t turn on the lights when she got
her stuff off of her desk. Later when she went back to her room, she found her roommate dead and a note
written in lipstick on the mirror. It said, "Aren’t you glad you didn’t turn on the light?"