And now "Clown in a Cornfield" instantly makes a case for being one of the best scary clown movies ever. I had the good fortune of catching the world premiere of this one at SXSW in Austin, Texas.

Behind their face paint, creepy clowns reveal our deepest fears about who we can trust. When did clowns—the characters who filled our childhoods with juggling and balloons—become so creepy ...