Carl Sandell’s review published on Letterboxd:
As a mirroring of Spotlight, it's something that the heroes in the French version are not digging journalists but les citoyens themselves. It doesn't quite make for as much of a riveting plot, but allows the victims to be more directly involved and adds more impact to some interactions.
The movie is awkwardly stuck in its relation to reality though. It's obvious Ozon wasn't very interested in making a fictionalized adaptation, so the first hour is just people reading letters in voice-over and the final third introduces a character who repeats a lot of the beats from earlier characters who could have just been utilized for the same arc and cut twenty minutes from the runtime. It's frustrating with such structural choices bogging down the movie when Ozon is so good at making individual scenes work.