They say that it takes one to know one. If you're obsessed enough with horror tropes to make a movie called "30 Nights of Paranormal Activity with the Devil Inside the Girl with the Dragon Tattoo," let's assume you can be trusted to guide viewers through a terrifying movie experience.
It's a good thing they're a trusted source, because that's exactly what the "30 Nights..." crew aims to do. The film's team created a helpful infographic to help hapless viewers identify various serial killer stereotypes, and then escape them alive. Included: Advice, things to look out for when buying a home (um, bodies buried in the backyard), a typical timeline for who gets killed when (congrats, innocent girls, you're saved for last!), and more.
Check it out:
Read carefully, and remember: The buddy system is for losers.