This is a must-see and one of the best documentaries - and films - of this year.

It's the kind of movie you'll want to see a second time with someone who hasn't seen it yet, to remember what it was like to watch it for the first time.

It is interesting even when nothing much happens, which is for most of its 3-hour running time. Read full review

The film never slows down or bores, plunging from one harrowing sequence to the next.