Two Glaring Errors ( spoilers )
Every perp knows that, the minute you allow a police officer into your dwelling, you have CONSENTED to a search of that dwelling. I have no criminal record in over sixty years of life and yet I know this.
When a policeman has visited me I have left my dwelling and closed the door behind me.
This model fires a shotgun on an empty chamber. And then -- ALL OF A SUDDEN - knows how to work the slide and get that shotgun up and running.
Firearms can be gotten right by hiring a consultant. The only movie I have ever seen that got firearms RIGHT was a movie called "Dog Soldiers".
I get this sense of lack of respect for the audience. I get the unspoken message: If you're watching a movie, like this, you are either a kid or a cultist and we can take liberties and shortcuts with you.