One of the biggest arguments against capital punishment is people feel that it violates the eighth amendment which forbids cruel and unusual punishment. People against Capital Punishment believe the death penalty is absurd and is in un-christian practice. Criminologists also built a strong case that the threat of death failed to deter murder, anymore effectively than prison. Therefore, to inflict harm to one,it is simply useless. However, the punishment fits the crime therefore, it is morally just.
Capital punishment is an expression of society's moral outrage at offensive conduct.
It asks our citizens to rely on legal procedures rather than to self-help their wrongs doings. It is morally right to sentence a person to the death penalty who has commited a serious crime as murder. If someone has murdered a person it is unethical to let the murderer live when you have an innocent person who is dead. Capital Punishment has to be based entirely on consideration of justice and morality. Finally, the death penalty is a deterrent against crimes.