CAPITAL PUNISHMENT, WHICH STATES HAVE IT AND WHAT METHODS DO THEY USE? Center of review of a group has to do it is a bid to their paying clients altogether preclude execution. As a young teen in an adult state prison, he had been the victim of numerous sexual assaults. We continue to lead litigation and advocacy efforts in the Deep South to prevent new death sentences and executions and to abolish the death penalty. Evidence of Mental Retardation in Death Penalty Proceedings.