Townspeople Trapped by Creature, Based on Novel

by TJ
(Nebraska, USA)

I remember watching this movie thinking I knew what was supposed to happen to the characters because of reading a book, but I didn't follow it very well. The movie was still good though.

A small town Sheriff, a few locals and one or two outsiders staying in the town try to capture/kill a creature that keeps killing them off, one by one.

I tried looking up Stephen King and Dean Koontz books made into movies, but couldn't find it, not yet anyway.

Can somebody remember what the name of this might be?