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Vipers
First Comes The Slither, Then Comes The Slaughter.
2008 · 1h 35m · 4.0 on TMDB
16A 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.
