Watch out for black cats, ladders, broken mirrors and anything else associated with superstitions or Friday the 13th, because it's just begun! Don't forget about the hockey-masked psycho serial killer who might be lurking in the bushes outside your house or hiding in your closet. OK, I'm just kidding, but there are some people who are deathly afraid of this day and don't even leave their house because of it. Where did it come from though and how did it form into what it is today? Read on to find out, but keep a flashlight handy incase Jason cuts off your electricity!