The glass cracking is actually a vfx shot added in post. The same moment appears in one of TDK's earlier trailers..only the glass remains in tact.
Edit:
found it: http://www.youtube.com/watch?v=9rw3-0BOyXo&feature=player_detailpage#t=82s
Cool, thanks!
The interrogation scene is one of my favourites out of both movies. So good.
I think it's my favorite of both movies. I know all the lines in my head.