AAAAGGGHHH!!! Wait…It’s Just a Cat [VIDEO]

How come every scary movie has a scene where someone opens a door, turns a corner, looks in a dumpster and AAAAGGGHHHH...a cat jumps out?  That's because cats are creepy, prowling, sneaky critters.  Then they relax and say, "It was just a cat."  Maybe the cat is the real killer...