That's supposed to be how it works in America as well, but realistically what happens is they overcharge and then leverage your fear about the unreliability of

That's supposed to be how it works in America as well, but realistically what happens is they overcharge and then leverage your fear about the unreliability of the jury process to get you to confess regardless of guilt. I don't know how to determine whether that's similar with French police but I think you're giving them a lot of benefit of the doubt in assuming that this only works in the most innocent way possible.