Actually, the increased recidivism rate is across the board, not just "poor blacks". Your argument fails.I'm well aware that Norway's social situation is significantly better than ours.
Of course, you realize that if you want to pick this apart it comes down to society - many/most American criminals are blacks who live in a poor society that glamorizes crime, while in Norway exactly the opposite is true.
Anyhow, I'm not saying their system as a whole is flawed, but rather that they aren't prepared to deal with crimes as serious as this because it just doesn't happen there.
If you're saying that murder never happens in Norway, you're insane. It's just less common, and a better justice system is partially to thank for that.