When Mr. Jones calls up a projection, he says 'Lights, please'. Yet no lights are dimmed.
The game is set in 1967. Yet, in the opening cinematics, in Cate Archer's apartment you can see a German "Bettina von Arnim" 5 DM banknote, which was first issued in 1992.
When going from a level taking place in the present, to a level taking place in the past (.i.e.: A flash-back level), she maintains the exact same amount of health from the previous level, despite taking place 9 years earlier.