Corrected entry: In the scenes where the Ghost Writer is driving to Professor Emmett's house, the BMW's navigation system immediately begins providing the Ghost with audible directions. If the Ghost's predecessor travelled to Professor Emmett's and was killed at some point on his return, the BMW navigation system would not still be trying to guide a driver to that destination again. First off, the BMW navigation system resets once the destination is reached - it stops providing audible guidance. Second, even if it did not reset, there is no way that any driver would have put up with listening to the GPS guidance system trying to redirect him to Professor Emmett's during his entire return trip. Every 30 seconds the system would have been barking orders such as "Take the next exit" or "When possible, make a legal U-turn."