16 Signs To Tell If Your Housemate Is A Serial Killer

4. They Don't Like Having Their Picture Taken

Ever. Whenever someone pulls out a camera they dive into the nearest shadow and don't return until the coast is definitely clear. They absolutely hate having their picture taken, whether it's with a group of people or they're by themselves. They will probably always offer to take the photo instead, in order to subtly avoid ever being in them. After all, no serial killer wants to be recognised. So maybe expect your selfie stick to mysteriously vanish.