Cross posted here as this seems like wonderful advisory content...
Sadly, this controversial film has been given an "R" rating, making it harder for the message to connect with its demographic. Here is the official trailer.
And the film review at NPR was simply glowing (despite the horrific subject matter).
Read the full NPR review HERE, Ebert's rails against the films R rating in his blog "Hey, kids! Anybody here not heard the F-word?" and the film's official website is HERE.