There are monsters all around us--monsters that we made. Mankind has always manipulated nature, but in last century, frightening technologies have warped the animal kingdom--turning cockroaches, cats, dolphins and even sharks into spies and weapons of war. From sinister Nazi genetic engineering, to the top secret fringe government research of the Cold War, to modern day advances in genetic manipulation, science is coming ever closer to playing God. But will we be able to survive our own creations? A look at the frightening history of man's monsters and the bleeding edge of the craziest creatures yet to come.