Tells a fascinating and unsettling true story, and does so well, without pretending to have all the answers.

Go in cold, and you're likely to emerge with your blood boiling. This has to be seen to be believed.

All that we are seeing on the screen is happening with real people, real action sequences in the background, forcing the eye to watch as if we were there.

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.