There is no evidence that punishment deters crime. I don't think punishment brings closure to victims either. Sentencing circles do though!
The criminal justice system is actually pretty alienating for the victim. Their voices are quite literally taken away by the State that represents their interests.
Originally Posted by CroMagna
And yes I think the purpose of the criminal justice system is to punish (which may help the victims feel a sense of closure) and provide a deterrent.