Rattlers 1976
Plot: A series of mysterious and deadly rattlesnake attacks in a small Mojave Desert town prompts a herpetologist to investigate. He soon discovers that the snakes' abnormal aggression is caused by a secret military nerve gas that was illegally dumped nearby. The herpetologist, along with a photographer, must find a way to stop the snakes and expose the military cover-up before more people are killed.