Continuity mistake: When Juliet Luis is cleaning the windshield in the beginning of the movie, she moves to the passenger side and wets the window. The next shot she is talking to Sharon Stone and the windshield is dry.
Continuity mistake: When Cooper and Leah Tilson first find Devil's Throat, the time of day changes between shots. When they leave their car, it is already getting dark. In the next shot, while uncovering the hole, the sun is shining. It is dark again in the next shot.
Continuity mistake: When Dale falls through the roof to his death, he lands with his head facing towards the right, but when they zoom in on his body, he is facing straight up.
Continuity mistake: Dale puts his cigarette out twice in the dinner scene at the house.
Chosen answer: If she arrested Dale, her sister (Dale's gf) would be upset. But mostly, it's a small town where they all know each other, and that's just how things work.