Horror Movie Project

This movie looks much older than it rightfully should. It didn't hold up very well at all. The copy that I had watched was the Mystery Science Theater copy. It made it all the more bearable. It even came with a neat little short.  A yokel spots some weird creatures in a swamp nearby town. Of course no one believes him but his tales are real. Turns out giant Leech creatures are abducting people from the nearby town, dragging them into a cave, imprisoning them, and leeching on their blood! Eventually the town sends the Game Warden out to investigate and they contemplate how to find the missing people and destroy the Giant Leeches.  It's explained that the Giant Leeches are products of radiation from the nearby Cape Canaveral. Nuclear Radiation is a usual plot devise for movies from this time. Some think that it was playing on the real fears that people had during the Cold War. Nuclear War fear mongering. However, underneath the veil of propaganda is a Giant Monster...