A close examination of Alec Baldwin's yelling in The Departed

The movie depicts America as a country of cops and robbers. In the United States, you are either on one side or the other. 

 in the logic of his 2006 film The Departed, "what's the difference when you're facing a loaded gun?"

The obsession with the surveillance state distinguishes Scorsese's self-consciously post-9/11 gangster film.