Currently there is no solid evidence that proves that the death penalty will deter criminals; however, there is evidence showing that states with no death penalty has a lower murder rate than states with the death penalty.
They represent a group that is highly unlikely to make rational decisions based on a fear of future consequences for their actions. There can be long delays in the execution process. The State of Florida supports capital punishment and carries it out by electric chair execution.
If the country To execute an innocent person is morally reprehensible; this is a risk we cannot take. The death penalty is something that is needed here in the United States to help lower these ongoing vicious crime rates.
Unless that balance is restored, society succumbs to a rule of violence. Most crimes end up with criminals serving jail time. Those in support of capital punishment believe that it is an end to the reoccurrence of a repeat murderer.
Should we do to the criminal as they did to the victim? If the case were selected, then one would need to argue that the death penalty is no longer a form of justice.