Then there is a utilitarian argument: capital punishment deters many criminals from murder. Furthermore, killing murderers prevents recidivism: if released from prison, they might kill again.
其次是实用主义的论调：死刑能够阻止罪犯进行谋杀。不仅如此，对杀人犯执行死刑可以有效地防止重犯：如果从监狱中获释，他们可能会再次行凶。