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.

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.

The film's masterful storytelling did its job. The message was clear. No need to overdo.