If the point is rehabilitation, and you never give anyone an actual second chance, ....
If the point is punishment, well, the reoffense rate for those prisoners that never are put into rehabilitation programs is 67% after 3 years, and 75% after 5 years.
http://www.nij.gov/topics/corrections/recidivism/Pages/welco...
So i'm going to suggest that unless we have a scheme for warehousing large numbers of people pretty much forever, and supporting them, we literally have to do something different.