I think this conviction rate statistic is out of context. In the US the conviction rate is 93% and, if the US measured conviction rate the way the Japanese do,

I think this conviction rate statistic is out of context. In the US the conviction rate is 93% and, if the US measured conviction rate the way the Japanese do, it would be 99.8%. https://en.m.wikipedia.org/wiki/Conviction_rate https://en.m.wikipedia.org/wiki/Conviction_rate So, maybe, yes, the Japanese police interrogate you until you confess - I don't know. But other police must do effectively similar things.