Even though these people did something that had oppressed the laws of the state, it still doesn't mean and it still doesn't give an impression that there is a need to kill these people. It is contrary to the goal of the state which is to cater to its people if we just let these people to get killed, right? The state should also cater to these people and not only to the offended family members of the victim for example. Instead of death penalties, why don't the state put them to jail for an extra year or what not, right? At least at some point, we won't be bias enough to only cater to the victims but to also cater to the ones who did the crime. Crimes should not be paid by death because its already considered a crime because you're killing somebody who's not favorable of your doing, so at the end of the day, it's contrary to the goal of the government and to the laws itself.