Is solitary confinement cruel and unusual or a useful tool to prisons and the inmates?
There isn't much choice if they've already killed one cellmate. It would be cruel and unusual to be their next roomie.
Since rubber hose beatings aren't allowed anymore, they need to do something to show that there's worse than "being in jail"
Sometimes I wish I was in solitary...
It contributes to or causes mental illness and historically has been used as a torture technique along with many of the other tactics used in our prison systems. Rather than creating more mentally ill destructive persons the focus should be on tx.
It is certainly an important tool for keeping other inmates safe from someone who is currently unstable.