Marzili observes that Criminologists, Lawyers and other practitioners have over the years tried to analyze and study the rate at which murder declined after murderers are executed but there have been no authoritative conclusive results. In 1973 however, Isaac Ehrilch research carried in the United Sates showed that for every one inmate executed, seven lives were spared as potential murderers were prevented from committing such crimes. The results were similarly observed by his disciples. For those who support capital punishment, the likelihood of tangible results not being felt, they argue, is as a result of lack of swiftness in executing the convicted culprits. For this MSU authoritatively asserts that:
‘’The fact that some states or countries which do not use the death penalty have lower murder rates than jurisdictions which do is not evidence of the failure of deterrence. States with high murder rates would have even higher rates if they did use the death penalty’.
Indeed, others have supported the argument citing that it is preventive in the sense that people in general fear death more so death that is planned and decided by the courts. Even more interestingly is the fact that death penalty against a murderer would prevent him from committing any other offence ever and thus seen as a permanent deterrent measure. Further, these executions take approximately forty days before they are conducted. But one issue that begs the question why should the convicted be made to wait on death row?