Capital PunishmentCapital Punishment Capital punishment is necessary in order for justice to prevail. Capital punishment is the execution of criminals for commitingcrimes, regarding so bad that this is the only acceptable punishment. Capital punishment lowers the murder rate, but its value as retribution alone is a good reason for handing out death sentences. It is one of the only fair punishments allowed by the judicial system. Another issue is that it saves money compared to the alternative of life in prison.