Corrected entry: When Aguilar is shot, he is hit on the right side of his head, but when they show his body, there is blood on his left temple.
Corrected entry: When James Gandalfini and the general are talking outside the prison after the false alarm, look at the prison and sky, it's obviously a blue screen.
Corrected entry: The inmates have constructed a 30 foot trebuchet without the prison guards noticing?
Corrected entry: Near the end of the film, the prisoners are getting shot and injured by the prison police force. Later, when order is restored, there are no bodies of the dead and/or injured laying about the yard. There was no time to remove them.