Earlier quoted context omitted.
This study indicates that incarceration, at least as it is currently implemented, is emphatically not a deterrent for repeat violent offenders. As for the public safety element, yes, but these people mostly weren’t locked up for life. What this shows, at least, in my opinion, is that much more intensive psychological and therapeutic interventions are needed, because if anything, incarceration as it currently exists w…
You're missing the other half of the picture. How many were deterred because of prison? Would it have been 2 or 5 or 10% were it not for the deterrents? You can't say.
All the science points to preventing initial conditions for conviction and significant improvements needed post release.
http://www.slate.com/articles/business/the_dismal_science/20...
https://nij.gov/five-things/Pages/deterrence.aspx
https://www.nij.gov/topics/corrections/recidivism/Pages/welc...