Character mistake: In one scene, Ashley looks into Mr. Turner's yard with binoculars. She looks through the large glass circles. That would result in seeing everything smaller. If you want to see everything bigger, you are supposed to look through the small glass circles.
Character mistake: Angel says he went to Canterbury University. It's actually called the University of Kent or the University of Kent at Canterbury, but never Canterbury University. Canterbury Christ Church University, Canterbury's other university, only became a university in 2005, after Angel is likely to have ceased being a student.
Character mistake: When Donnie (spotter) is giving Swagger ranges to fire, he doesn't tell Swagger what hold to use.
Character mistake: When Mr. Brooks and Marshall hack into the police database and are looking at detective Tracy Atwood's financial records there is a screenshot of the computer screen showing some very terrible spelling.
Character mistake: As Jason reads the Guardian Newspaper, he finds an article about himself entitled, "Who is Jason Bourne?" The caption for the article reads, "His code name is Jason Bourne, but he had many identities, each one seemingly more deadly then the next," instead of "more deadly than the next." (00:12:50)
Character mistake: Nikolai is driving Anna home after the bike went kaputt in the rain, outside the restaurant. Anna towards the end tells him to "take the next right." Both Naomi Watts and Viggo Mortensen are looking left, and keep their eyes there. (00:28:25)