Does Japan Suffer Radical Islam Terrorism?

[Abraham]

"The conviction rates are/were so high that criminal committing a crime actually expected to be caught."

I hope that's true, but I doubt it.

The Yakuza are still in business.

[VMI77]

"The conviction rates are/were so high that criminal committing a crime actually expected to be caught."

I hope that's true, but I doubt it.

The Yakuza are still in business.

I share your skepticism. The Japanese government is no stranger to lying. To the extent they have less crime I think it far more likely due to having homogeneous society with largely shared values than efficient law enforcement.