The National Institute for Justice (which is the research, development and evaluation agency of the U.S. Department of Justice) says that prison is an ineffecti

The National Institute for Justice (which is the research, development and evaluation agency of the U.S. Department of Justice) says that prison is an ineffective deterent: http://nij.gov/five-things/pages/deterrence.aspx http://nij.gov/five-things/pages/deterrence.aspx