Keep an eye on the scene when the cops flush out the bad guys from the warehouse by calling them out one by one. As Graham cleans herself up in the mirror, the right side of her face is shown to be heavily scratched and her left cheek is clear, but as soon as she turns away to give herself up, the pattern is reversed.
When Barbara is being visited in jail by her friend and later the police informant, there is a fine screen between the jail's bars, presumably so the inmate cannot get contraband from a visitor. But the screen appears and disappears in the various scenes.
When Barbara's son is brought to the jail for a visit, and the presence of the news media upsets Barbara, she retreats to an interior area of the jail and pounds on the wall in frustration. The "brick" wall gives slightly as he throws her weight onto it.