During the firefight in the warehouse, Marcos' shotgun appears to run out of ammunition, forcing him to reload. However, when Marcos pauses to pull an extra magazine out, a round is clearly visible in the chamber.
During the stand off in the restaurant the frightened waitress is told to get clear and get all the patrons out as well. The man that the Marshal is concerned about stops the waitress and forces her down in a booth right beside him. As the bad guy leaves we can see the waitress is now at the register checking someone out and generally going about her business; showing no signs of any fear about what's going no in the place.