Innocent until proven guilty. Never innocent once proven guilty.
I didn't talk about innocence. I am talking about human dignity and rehabilitation.
The plea bargain system in the US pretty much guarantees a fair amount of convicted people aren't guilty of anything other than making a very tough risk management decision.
We are talking about current prisoners, not ex-convicts. Prisoners are generally not allowed to access social media outside the US, either. Are you saying that they should be, because it would help with their rehabilitation?