When the husband is holding the wife down on the sofa during their fight, her hands change position as the camera cuts to different angles.
During the press conference, the senator's wife puts her arm around Angela, and her hand is about halfway between Angela's shoulder and her elbow, on her upper arm. The camera then cuts to a different angle, and her hand is now on top of Angela's shoulder.
During the interrogation of Rick Caldera, Serena hands Caldera an affidavit that she says is from "a hotel clerk". She is supposed to be from Chicago, but she pronounces the word "clerk" as a Chicagoan would pronounce the word "clark". This would be how Saffron Burrows, who is English, would ordinarily pronounce the work "clerk".