In The Bourne Identity, when Maria (The Girl running with Jason Bourne/John Michael Kane), When they have finished the car chase and they are in the hotel cutting her hair, at one point you can see the tattoo on her back. This tattoo is shown on the back of her left shoulder. But then in the normal ending for the movie. When she is in her Scooter-Shop. She is wearing a dress where you can see her shoulders and the tattoo changed to her right shoulder all of the sudden!