For or Against Capital punishment For:Murderers forfeit their human rights when they take other peoples lives. The punishment should fit the crime. If the punishment is too light it cheapens our rights to life. It is common sense to say that killing murderers will deter others. It is hard to prove the effect because you are measuring something not happening. A killer who has been executed can never do it again. executions are used to show people to show that murder is wrong. Against:The death penalty goes against our most basic human right - the right to life Being killed by lethal injection or being electrocuted is not always smooth and painless, sometimes it causes a painful death. No-one has ever proven with numbers that killing murderers stops other people committing similar crimes. Mistakes are sometimes made in the law and some people may be executed, but they are innocent.