Introduction
The purpose of this study is to determine the deterrent effect of the death penalty or capital punishment in the commission of future crimes. Most of the criminal experts believe that the justification for the imposition of the death penalty against criminals should be for retributive grounds and to make the criminals suffer the consequences of their actions. Thus, when a person kills another, the retributive effect of capital punishment or the death penalty is take the life of the murderer (Radelet & Akers, 1996). The main reason for the imposition of the death penalty is to discourage the murderers to ...