It premiered at the 2010 Sundance Film Festival, where it won the "World Cinema Documentary Editing Award".

At the Hot Docs festival in Toronto, the film won the Best International Feature award.

Holocaust Memorial Museum, which is visited by school children, has more graphic footage.

[6] On Rotten Tomatoes the documentary has an approval rating of 97% based on reviews from 65 critics.

"[7] On Metacritic it has a score of 88% based on reviews from 19 critics, indicating "universal acclaim".