Vipers
First Comes The Slither, Then Comes The Slaughter.
8/12/2008
Imdb: tt1152403
Tmdb: 44548
Popularity: 3.501
Vote: 4.3/10 (37)

A set of vipers has been taken by scientists to mutate them to make a cure for cancer. As their experiment goes awry, the vipers escape into the woods - they're not only biting people, they're actually killing people, in a little town.