Here's a link to the study.
http://www.thejusticeproject.org/press/reports/pdfs/21740.pdf
Thanks, that makes sense...I started to think about it after I asked for proof & lawyers did pop into my mind. It just irks me to think of somebody like Richard Biegenwald alive when he killed someone I went to school with. Makes me feel sick & I feel he ought to have been killed years ago.