Pifias

When Emmett is handed the glass with poison, it is almost full. In the next shot, when he starts drinking it, the glass is less than half full.

Just before Evelyn shoots the pastor, he is holding Dolph Lundgren about two feet off the ground. As the shot hits him, however, Lundgren is back at ground level.

When Evelyn is cuffing Deacon, she stands up twice, being seen upright before next appearing back on her knees.

As agent Pierce and Jebediah are fleeing the cabin, the last FBI agent, possessed by the demon, shoots bullet 3 holes in the Chevy SUV they're driving. The next scene there are no holes.

In a scene where Dolf hold demon at gun point just before pastor arrives with the mob, chromed gun changes from Beretta 34 to Walther PPK.

Evelyn's bullet is seen to leave the pastor's skull through an exit hole in his forehead, but does not appear to touch Lundgren, who is immediately in front of him.

Chicory Creek Chief of Police Dunham's official vehicle says SHERIFF all over it.