During the brawl scene, when Bradley returns to his cell, the body of the slain guard is nowhere to be seen. However, Bradley informs the Warden that the guard in question "will not answer," implying that the man has not been moved and is in fact dead.
Bradley confronts his wife in the driveway and dumps the contents of her purse on the ground. When she goes in the house, there is a long shot of Bradley next to the car, but nothing is on the ground at his feet, where only seconds before there had been the things in her purse.
When Bradley is lying on the floor after the first assault on correctional officers, his head changes from lying on his shoulder to lying directly on the concrete floor, between the time a guard is directed to "administer justice" until the guard steps on Bradley's head.
When the prison bus backs away from Redleaf, there is no audible back-up signal. A vehicle this size would certainly be equipped with a loud beeping alarm, as required by United States Occupational Safety and Health Administration regulations.