Mike, the plane pilot switches off the engines on his airboat, the propellers come to a stop and his craft glides to a halt on Lake Tohopekaliga in Florida. Something protrudes from the surface of the lake at a distance of perhaps 40 or 50 meters – and behind that another similar looking object can be seen. What looks like flotsam is in fact the head and tail of an alligator – and there are plenty more of these reptiles lurking in the water...